Thomas P. Costin Jr Death – Thomas P. Costin Jr., a respected political leader, dedicated public servant, and close ally of the Kennedy family, passed away on Monday, August 11, 2025, at the age of 98. His death occurred at Beverly Hospital, where he was surrounded by loved ones, just 12 days shy of his 99th birthday. Costin’s passing marks the end of a remarkable era in Massachusetts politics, leaving behind a legacy defined by public service, community dedication, and political influence that spanned decades.
Born in Lynn, Massachusetts, in 1926, Costin grew up deeply connected to the city he would later lead. His early life was shaped by a strong sense of civic duty, a value that guided him throughout his career. After completing his education and serving in the U.S. military, he entered public life with a determination to make a difference.
Costin rose to prominence in the 1950s and 1960s as a charismatic and forward-thinking politician. He was elected mayor of Lynn, where he quickly became known for his pragmatic leadership, ability to connect with constituents, and commitment to improving the city’s infrastructure and services. His tenure brought meaningful progress to Lynn, as he championed urban development projects, expanded public amenities, and worked to strengthen local economic opportunities.
Beyond his mayoral role, Costin’s political career extended to the national stage. His close relationship with President John F. Kennedy and the Kennedy family cemented his place in the Democratic political sphere. Recognized for his leadership skills and loyalty, he was appointed as postmaster of Lynn, a position in which he continued to demonstrate his dedication to efficient public service. Costin’s political network and influence often made him a trusted figure in both Massachusetts and Washington, D.C.
Throughout his life, Costin balanced public service with a strong devotion to his family. His children, in a heartfelt statement, described him as having lived a “wonderful, happy, amazing life” and leaving “a legacy of love.” They recalled his kindness, sense of humor, and unwavering belief in the power of community. Even after retiring from official roles, Costin remained active in civic affairs, mentoring younger leaders and attending local events well into his later years.
His passing has been met with tributes from former colleagues, community leaders, and residents who remember him as a steady, compassionate leader. Many note that his life embodied the ideals of service over self, and that his work had a lasting impact on Lynn’s development and spirit.
Thomas P. Costin Jr. leaves behind a family that adored him, a city that prospered under his guidance, and a political legacy intertwined with one of America’s most influential families. As Lynn and the broader Massachusetts community mourn his loss, they also celebrate a life that was lived fully, faithfully, and with deep commitment to the public good.
Funeral arrangements will be announced by the family in the coming days.