Martha S. Jagger and the Family Values Behind the Selleck Legacy

Martha S. Jagger, born Martha Jean Jagger on January 13, 1921, was an American homemaker, mother, grandmother, and philanthropist whose life revolved around family and community service. Although she became widely recognized through her son, actor Tom Selleck, her personal story extended far beyond her connection to Hollywood. She spent decades creating a stable family environment, supporting charitable causes, and building relationships that remained central to the Selleck family’s identity.

Martha was born in Barnesboro, Pennsylvania, in Cambria County. She had a twin sister named Margaret Ann and grew up as one of eight siblings. Her parents were Fred G. Jagger, also identified in some records as Fred Grant Jagger, and Martha Birchall, whose surname is occasionally spelled Birchell. Her family background included English ancestry.

During her early years, Martha moved to Detroit, Michigan, where she spent much of her youth. Her upbringing helped shape the values that later defined her approach to motherhood: discipline, kindness, responsibility, and commitment to others. She did not seek celebrity status or establish a public professional identity of her own. Instead, she built a life around the people she loved, becoming the quiet center of a family that would eventually attract national attention.

Martha died peacefully of natural causes on February 19, 2017, in Oak Park, California, at the age of 96. She was surrounded by family, bringing to a close a life that had spanned nearly a century of American social and cultural change.

Martha Jagger and Robert Dean Selleck’s Long Marriage

Martha married Bob Selleck in Detroit on April 11, 1942, however other family sources place the wedding in 1941. Born in Lapeer, Michigan, on December 27, 1921, Robert was her lifetime lover until his 2001 death.

Their incredible 60-year marriage saw them through wartime America, the postwar housing boom, Southern California’s growth, and their children’s adulthood.

Robert, a mechanic, served in the Army Air Corps during World War II after attending Ohio Wesleyan. He was a carpenter before switching into real estate after the military. He built a profitable San Fernando Valley property investment and development firm. He owned the Selleck Company after working for Coldwell Banker.

His career allowed the family live comfortably in California. However, the couple’s fame went beyond business. They showed that professional success and public service could coexist by being involved in civic, charity, and communal organizations.

Robert was involved in local recreation, hospital boards, and 1984 Olympic Games related civic duties. He even guest-starred on Magnum, P.I., which made his son famous.

USC Medical Center surgical complications killed Robert on March 21, 2001. Martha maintained their family customs for almost 16 years.

Moving to California and Building a Family Home

In 1948, Martha and Robert moved with their two young sons to Sherman Oaks, a neighborhood in Los Angeles’s San Fernando Valley. The move marked a major turning point for the family. Southern California would become their long-term home, providing the setting in which their four children grew up.

Martha approached motherhood as an everyday responsibility rather than a public performance. She organized family routines, prepared meals, supervised her children, and made sure that family gatherings remained a priority even as their lives became busier.

Her brown-bag lunches became a familiar expression of her care. Sunday dinners offered another dependable ritual, while holidays brought elaborate home-cooked meals, including the family’s traditional turkey dinner. These customs were more than domestic details. They created a shared rhythm that helped connect generations.

Martha believed in combining affection with discipline. She and Robert established clear household rules, including restrictions on drinking, smoking, and swearing until their children reached 21. A gold watch served as a reward for following those rules. At the same time, the children were encouraged to make their own decisions and learn from ordinary mistakes, provided they did not put themselves in danger.

Her parenting philosophy emphasized love, understanding, and discipline. That balance allowed her to guide her children without treating every decision as something she needed to control.

Martha S. Jagger’s Four Children

Martha and Robert raised four children: Robert II, Thomas William, Martha, and Daniel. Each developed a different relationship with public life, but the family remained closely connected.

Robert Selleck II

Robert, commonly called Bob Selleck II, was Martha’s eldest child. Born in 1944, he followed his father’s professional path and became involved in real estate, including work associated with Selleck Properties.

Unlike his younger brother Tom, Bob maintained a largely private life. He did not build a public identity around entertainment or celebrity culture. His career reflected the family’s established business interests, and his low profile helped preserve a degree of privacy for the wider Selleck family.

Thomas William Selleck

Born on January 29, 1945, in Detroit, Thomas William Selleck became the family’s most recognizable public figure. Known professionally as Tom Selleck, he developed a successful acting career that included television, film, and production work.

His defining early role was private investigator Thomas Magnum in Magnum, P.I., which aired from 1980 to 1988. He later gained another generation of viewers through his portrayal of Frank Reagan in Blue Bloods. His film credits and long television career established him as one of America’s familiar screen actors.

Tom also served in the California Army National Guard, an experience that became an important part of his personal history.

His family life included two marriages. He married model Jacqueline Ray in 1971, and their marriage ended in 1982. During that relationship, he adopted her son, Kevin Shepard, who became known as Kevin Selleck. In 1987, Tom married actress Jillie Mack. Their daughter, Hannah Margaret Selleck, was born in 1989.

Despite his fame, Tom frequently expressed appreciation for the influence of his parents. During his Hollywood Walk of Fame ceremony in 1986, he recalled his mother’s fairness, her presence in his life, and her excellent cherry pie. The memory offered a glimpse of the domestic world behind the actor’s public image.

For Martha, her son’s achievements were part of his life, not a replacement for the family relationship that had existed long before his success.

Martha Marti Selleck Ketchum

Martha’s only daughter, born in 1954, was named after her mother and became known as Marti Ketchum after marriage.

Marti reportedly worked as a model earlier in life before moving toward teaching and educational work. She also devoted attention to her family and community activities. Like her brothers outside the entertainment industry, she maintained a relatively private life.

Her decision to avoid the spotlight mirrored her mother’s preference for keeping personal relationships separate from public attention. While the family name carried considerable recognition, Marti’s life remained centered on personal responsibilities rather than celebrity exposure.

Daniel Fife Selleck

Daniel, often called Dan Selleck, is identified as the youngest son in family profiles. His exact birth date is not consistently documented in widely available public accounts.

He became involved in real estate alongside other family members, continuing the business interests established by his father. Daniel has generally remained outside the entertainment spotlight, and detailed information about his personal life is limited.

His private approach to public attention reflects a broader pattern among the Selleck siblings: Tom pursued a career in front of the camera, while his brothers and sister largely kept their lives away from celebrity coverage.

Martha Selleck as a Grandmother

Martha’s role expanded as her children established their own families. By the time of her death, she was remembered as the grandmother of 14 grandchildren and the great-grandmother of 18 children.

Among her grandchildren were Hannah Margaret Selleck and Kevin Selleck. Her wider family included descendants whose lives remained largely private, continuing the family’s preference for keeping personal matters away from public scrutiny.

Known affectionately as Mimi, Martha made time for the small activities that give childhood its lasting texture. Grandchildren remembered overnight visits, playing baseball, feeding goldfish, swimming, and playing card games. They also spent time in the kitchen as she prepared family meals.

Those experiences created memories that were less about grand occasions than repeated moments of attention. Her kitchen became a place where recipes, conversation, and family stories could pass naturally from one generation to another.

Martha’s approach to grandparenthood followed the same principles she had used as a mother. She offered affection while encouraging kindness, consideration, and respect. Her influence reached beyond the rules she established, appearing instead in the everyday habits and relationships of her descendants.

Philanthropy and the Motion Picture Mothers Association

Martha was very philanthropic despite not being a public figure. From 1998 to 2016, she was president of the Motion Picture Mothers Association, one of her most important roles.

Mothers with showbiz connections founded the group in the 1930s. Its charitable activity sponsored the Motion Picture and Television Fund, which helps retired entertainment industry workers.

Martha balanced family values with a greater sense of responsibility in her profession. She knew the entertainment industry might be successful yet leave longstanding workers needing care.

Her involvement was significant because her son was a successful actor. Instead of leveraging that relationship to become a superstar, she worked for a charity that helped industry workers.

Martha and Robert also received the Boys and Girls Club of the San Fernando Valley Golden Hands Award and the March of Dimes Birth Defects Foundation Premier Parents Award. These awards highlighted their family and community service.

Martha was named California Mother of the Year by American Mothers for her parenting and service. The award reflected her life as a mother, community member, and charity leader.

Her Church and Support for Local Healthcare

Martha and Robert were longtime members of the Congregational Church of the Chimes in Sherman Oaks. Their involvement reflected the importance of faith, fellowship, and local relationships in their lives.

They also supported Valley Presbyterian Hospital in Van Nuys. Among their contributions was participation in the launch of the hospital’s blood diagnosis laboratory, which was named in their honor in recognition of their support.

This work offers an important perspective on Martha’s public legacy. Her contributions were not confined to a single organization or a short period of activity. They formed part of a sustained commitment to institutions that served families and residents throughout the San Fernando Valley.

Her charitable activities also demonstrate why describing her simply as an actor’s mother leaves out much of her story. Tom’s fame brought public attention to the family, but Martha’s community involvement gave her a distinct place in the lives of people beyond her household.

Martha S. Jagger’s Financial Status and Lifestyle

Martha’s personal net worth was never reliably established in public records. Online estimates sometimes place her wealth below $1 million, but such figures are speculative and should not be treated as verified financial information.

Her family’s circumstances were shaped in part by Robert’s successful real estate career. His work as an executive, investor, and developer provided financial stability, while the couple also devoted substantial time to unpaid charitable activities.

Martha did not build a known independent business empire, maintain a public entertainment career, or seek personal wealth through celebrity endorsements. Her identity was rooted in family life and philanthropy.

It is therefore difficult to separate her personal financial position from the household she shared with Robert. Without reliable records, assigning a precise net worth would create a false sense of certainty.

Her lifestyle appears to have prioritized family gatherings, community service, and long-term relationships over public displays of wealth. Even as Tom’s acting career grew, Martha continued to be remembered through familiar details such as homemade meals, family rules, and her willingness to support local institutions.

The Final Years of Martha Selleck’s Life

Martha lived in Oak Park and Van Nuys after Robert’s 2001 death. Her subsequent years were mostly private, although her family’s fame kept her name in Tom Selleck bios.

She died quietly at 96 in Oak Park on February 19, 2017, surrounded by family. Tom Selleck’s publicist announced her death, and the family recalled her as a loving wife, mother, and grandma who lived fully.

Pierce Brothers Valley Oaks-Griffin Morgue in Thousand Oaks arranged her funeral. To honor Martha’s decades of charity work, the family preferred donations to the Motion Picture and Television Fund instead of flowers.

She left four children, 14 grandchildren, and 18 great-grandchildren. She was also the last of eight siblings.

She enjoyed a lengthy marriage, four children, a famous son, and nearly two decades of philanthropic leadership. Family dinners, cherry pie, brown-bag lunches, and generations-old compassion lessons are her most personal memories.

Frequently Asked Questions About Martha S. Jagger

Who was Martha S. Jagger?

Martha S. Jagger, born Martha Jean Jagger on January 13, 1921, was an American homemaker and philanthropist best known as the mother of actor Tom Selleck. She also served for approximately 19 years as president of the Motion Picture Mothers association.

When and where was Martha S. Jagger born?

She was born on January 13, 1921, in Barnesboro, Pennsylvania, in Cambria County. She later grew up in Detroit, Michigan, before moving to California with her husband and children in 1948.

Who was Martha S. Jagger’s husband?

Her husband was Robert Dean Selleck, known as Bob Selleck. They married in Detroit around 1941 or 1942 and remained together until his death on March 21, 2001. He worked in real estate after serving in the U.S. Army Air Corps during World War II.

How many children did Martha S. Jagger have?

Martha had four children: Robert Selleck II, actor Tom Selleck, Martha Marti Selleck Ketchum, and Daniel Fife Selleck. Three largely avoided public attention, while Tom became a prominent television and film actor.

How many grandchildren did Martha Selleck have?

Martha was remembered as the grandmother of 14 grandchildren and the great-grandmother of 18 children at the time of her death in 2017. Her grandchildren included Hannah Selleck and Kevin Selleck.

What was Martha S. Jagger’s career?

Martha was primarily a homemaker who devoted herself to raising her children and supporting her community. Her most notable leadership position was president of the Motion Picture Mothers association, where she helped support charitable efforts benefiting retired entertainment industry workers.

Did Martha Selleck appear on Magnum, P.I.?

Martha reportedly made a guest appearance as a grandmother on an episode of Magnum, P.I. in 1987. The appearance was a small connection to her son’s television career rather than the beginning of an acting profession.

What awards did Martha S. Jagger receive?

Her recognitions included California Mother of the Year through the American Mothers organization. She and her husband also received the Golden Hands Award from the Boys and Girls Club of the San Fernando Valley and the Premier Parents Award from the March of Dimes Birth Defects Foundation.

When did Martha S. Jagger die?

Martha died on February 19, 2017, at the age of 96 in Oak Park, California. She passed away peacefully of natural causes while surrounded by family.

What was Martha S. Jagger’s net worth?

Her exact net worth is not publicly established. Although some celebrity biography websites publish estimates, these figures are unverified. Her household’s financial circumstances were influenced by her husband Robert’s successful real estate career, while Martha devoted much of her time to family and philanthropy.

What is Martha Selleck remembered for?

Martha is remembered for her devotion to her husband and four children, her close relationships with her grandchildren, and her charitable work. Her family traditions, community involvement, and long service to the Motion Picture Mothers association form the clearest picture of a woman whose influence extended well beyond her connection to Hollywood.