In 1935, Dempsey opened Jack Dempsey's Restaurant in New York City on Eighth Avenue and 50th Street, across from the third Madison Square Garden. The restaurant's name was later changed to Jack Dempsey's Broadway Restaurant when it relocated to Times Square on Broadway between 49th and 50th Streets. It remained open until 1974. Dempsey was also a co-owner of the Howard Manor in Palm Springs, California. (with correction in: ) thumb|left| Jack Dempsey and Hannah Williams after their marriage in 1933 Dempsey married four times; his first two wives were Maxine Gates (married from 1916 to 1919) and Estelle Taylor (married in 1925). Dempsey divorced Taylor in 1931, and married Broadway singer and recent divorcee Hannah Williams in 1933. Williams was previously married to bandleader Roger Wolfe Kahn. Dempsey and Williams had two children together and divorced in 1943. Dempsey then married Deanna Piatelli, remaining married to her until his death in 1983. The couple had one child, a daughter, whom they adopted together, and who would later write a book on Dempsey's life with Piatelli.
In 1935, Dempsey opened Jack Dempsey's Restaurant in New York City on Eighth Avenue and 50th Street, across from the third Madison Square Garden. The restaurant's name was later changed to Jack Dempsey's Broadway Restaurant when it relocated to Times Square on Broadway between 49th and 50th Streets. It remained open until 1974. Dempsey was also a co-owner of the Howard Manor in Palm Springs, California. (with correction in: ) thumb|left| Jack Dempsey and Hannah Williams after their marriage in 1933 Dempsey married four times; his first two wives were Maxine Gates (married from 1916 to 1919) and Estelle Taylor (married in 1925). Dempsey divorced Taylor in 1931, and married Broadway singer and recent divorcee Hannah Williams in 1933. Williams was previously married to bandleader Roger Wolfe Kahn. Dempsey and Williams had two children together and divorced in 1943. Dempsey then married Deanna Piatelli, remaining married to her until his death in 1983. The couple had one child, a daughter, whom they adopted together, and who would later write a book on Dempsey's life with Piatelli.