The family relocated to Boston, and they continued to financially prosper due to involvement with the American-Hawaiian Steamship Company and ownership in Texas and California oil fields.
[2] Lapham married to Rebecca Lounsberry, a fellow native of Brooklyn, shortly after graduating from college.
[2][7] In 1936, Lapham's group bought out the remaining stock owned by the Madison Square Garden Corporation.
[1] Charles J. Phillips was quoted as saying that, "after the death of Arthur Hind, Henry Lapham ranked as the third greatest stamp collector in the United States.
"[1] In 1924, Salvatore Schiavone, a resident of Boston's North End, was arrested for sending a letter in which he threatened to kill to Lapham if he did not pay him $5,000.
Schiavone admitted to sending the second letter, stating he felt that Lapham owed him the money as he had been imprisoned unfairly.
[14] Lapham died on December 16, 1939, at his home at 514 Warren Street Chestnut Hill, Massachusetts, following two years of poor health.