Vincent C. McMahon Jr. was born in Manhattan on January 22, 1964, to Vincent and Patricia (McCullagh) McMahon. He was the fourth of nine siblings.

Vincent was raised in the Our Lady of Refuge Parish of the Bronx until 1975, when his family relocated to be near other family members in New City, New York.

Vincent was a graduate of Clarkstown North High School, Class of 1982. He joined the United States Army in January 1984, Class 9-85, and became an honored member of the 2nd Battalion-75 Ranger Regiment out of Fort Lewis, Washington until his service ended in January of 1988.

After returning home from the Army, Vincent attended Iona College.

On July 17, 1994, Vincent became a member of the FDNY. He retired on April 25, 2019, as a lieutenant from 44 Truck in the Bronx, one of three houses he worked in during his distinguished 25-year career. He also spent time at Rescue 1 in Manhattan. He made many treasured lifelong friends during his time at the FDNY.

Vincent was a 32-year member of the Pearl River Elks 2401, a member of the American Legion Post 329 in Pearl River, as well as the Knights of Columbus 5343 in Blauvelt, New York.

Vincent was survived by his loving wife of 26 years, Haley Schrek; his mother-in-law, Harlene Schrek; three sisters, Eileen (Glenn) Rose, Patricia (Ruben) Velez, and Kathleen McMahon; four brothers, Kevin (Wendy) McMahon, Brian McMahon, Michael (Martha) McMahon, and
Stephen (Amanda) McMahon; sister-in-law, Adrian (David) Schrek; his uncle, Joseph (Cheryl) McMahon; his aunts, Barbara McCullagh and Flavia McMahon; 21 nieces and nephews, eight grand-nieces and grand-nephews, and many loving cousins.