Percival Davis
Percival William Davis, also known as Bill Davis, is an American author, young earth creationist, and intelligent design proponent.
William Davis Shipman
William Davis Shipman (December 29, 1818 – September 24, 1898) was a United States District Judge of the United States District Court for the District of Connecticut.
He notably presided over the 1861 trial of Nathaniel Gordon, the only person to be convicted and executed in the United States for illegal slave smuggling.
Antonio Salandra
Antonio Salandra( 13 August 1853 – 9 December 1931) was a conservative Italian politician who served as the 33rd Prime Minister of Italy between 1914 and 1916.
He ensured the entry of Italy in World War I on the side of the Triple Entente( the United Kingdom, France, and the Russian Empire) to fulfil Italy ’s irredentist claims.
Davis Hughes
Sir William Davis Hughes( 24 November 1910 – 16 March 2003) was an Australian politician and bureaucrat.
Glynn Davis
Glynn William Davis( born December 7, 1991) is an American professional baseball outfielder who is a free agent.
Piers Flint-Shipman
Piers Frederick Alexander Flint- Shipman( 23 January 1962 – 2 June 1984) was a British actor.
He was the son of film producer Gerald Flint- Shipman and was educated at Eton College.
William Davis Gallagher
William Davis Gallagher( August 21, 1808 – June 27, 1894) was an American journalist and poet.
John Davis (footballer)
John William Davis was a footballer who played as a forward for Port Vale and Macclesfield in the 1920s.
John William Davis (Georgia politician)
John William Davis (September 12, 1916 – October 3, 1992) was an American politician and lawyer.
William H. Davis (sheriff)
William H. Davis served as Allegheny County Sheriff from 1954 to 1970.

Question: Did William Davis Shipman and Antonio Salandra share the same nationality?
Answer: no