During World War I, Becker enlisted in the United States Army on July 22, 1918, and served until September 22, 1919.

He founded a real estate and insurance business in Lynbrook, New York, and was also chairman emeritus of the board of directors of the Suburbia Federal Savings and Loan Association in Garden City.

Becker spoke about the amendment saying that he wanted to save the nation from a “curse which has befallen all civilizations that forgot and disobeyed God Almighty.” His measure was voted down.

[1] He retired from Congress and did not run for re-election in 1964, citing a desire to spend more time with his family and to make room for younger candidates.

In addition to his son, Francis, his son Robert was the head of the Nassau County Republican Party for 25 years, his grandson, Gregory Becker, was a member of the New York Assembly while another grandson, Francis X. Becker Jr., was a member of the Nassau County Legislature who ran for both the New York State Senate and the U.S. House of Representatives against Rep. Carolyn McCarthy.