About Wellington Mara
Wellington Timothy Mara was an American professional football executive. He was the co-owner of the New York Giants of the National Football League (NFL) from 1959 until his death. He was the younger son of Tim Mara, who founded the Giants in 1925. Wellington was a ball boy that year. When Jack, who had been president since 1941, died of cancer at age 57 prior to the 1965 season, Wellington became team president. Mara didn't relinquish full control over the football side of the operation until 1979, when George Young became the team's general manager.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.