Thomas Lee Dillon (July 9, 1950 – October 21, 2011) was an American serial killer who shot and killed at least five men in southeastern Ohio, beginning April 1, 1989, and continuing until April 1992. He was nicknamed "Killer" for boasting about shooting hundreds of animals.

Philip Livingston (July 9, 1686 – February 11, 1749) was an American merchant, slave trader and politician in colonial New York. The son of Robert Livingston the Elder and elder brother of Robert of Clermont, Philip was the second lord of Livingston Manor.

Paul Vario (July 10, 1914 – May 3, 1988) was an American mobster and made man in the Lucchese crime family. Vario was a caporegime and had his own crew of mobsters in Brooklyn, New York.

Robert Newton Ford (December 8, 1861 – June 8, 1892) was an American outlaw who killed fellow outlaw Jesse James on April 3, 1882. He and his brother Charley, both members of the James–Younger Gang under James's leadership, went on to perform paid re-enactments of the killing at publicity events.

Anthony Balaam (born July 9, 1965), known as The Trenton Strangler, is an American serial killer who raped and murdered four prostitutes between 1994 and 1996 in Trenton, New Jersey, luring them with sex-for-drugs encounters. Balaam was captured after his would-be fifth victim escaped, and he was later given a life sentence for his crimes.

Donald Henry Rumsfeld (July 9, 1932 – June 29, 2021) was an American politician, businessman, and naval officer, who served as the 13th United States secretary of defense from 1975 to 1977 under President Gerald Ford, and again as the 21st secretary of defense from 2001 to 2006 under President George W. Bush.