Clifford Joseph
Clifford Joseph( born 26 September 1978) is a footballer who plays for the Montserrat national football team.
Fido Purpur
Clifford Joseph" Fido" Purpur( September 26, 1914 – February 21, 2001) was a professional ice hockey player who played five seasons in the National Hockey League for the St. Louis Eagles, Chicago Black Hawks, and Detroit Red Wings.
Andrew Hernandez (footballer)
Andrew Albert" Pishu" Hernandez( born 10 January 1999) is a Gibraltarian footballer who plays as a midfielder for St Joseph's and the Gibraltar national team.
Ivan Ivanić
Ivan Ivanić( Bačko Gradište, Bečej, Austria- Hungary, April 24, 1867 – Belgrade, Kingdom of Yugoslavia, January 31, 1935) was a Serbian diplomat of the Kingdom of Serbia and author of numerous ethnographical works about Serbia and the Balkans.
He also wrote travel literature about the region of Old Serbia.
Jon Levisohn
Jon A. Levisohn is an American academic who is the Jack, Joseph and Morton Mandel Associate Professor of Jewish Educational Thought at Brandeis University.
Levisohn is also the director of the Jack, Joseph and Morton Mandel Center for Studies in Jewish Education at Brandeis.
Alain Pons
Alain Pons( born 16 September 1995) is a Gibraltarian football midfielder who currently plays for St Joseph's and the Gibraltar national football team.
Solomon Clifford Joseph
Captain Solomon Clifford Joseph (29 April 1893 – 21 March 1966) was a British flying ace of the Royal Naval Air Service during World War I. He was credited with thirteen confirmed aerial victories.
Postwar, Joseph moved into engineering and manufacturing.
He acquired components of New Imperial Motors upon its dissolution in 1939, and produced aircraft parts for the British war effort of World War II.
After World War II, he turned his company's manufacturing to agricultural machinery.
Red Hill (baseball)
Clifford Joseph Hill( January 20, 1893 – August 11, 1938) was an American Major League Baseball pitcher.
He played for the Philadelphia Athletics during the season.
John Griffin (basketball)
John Griffin( May 17, 1956) is an American former college basketball player and coach at Saint Joseph's and Siena.
Kyle Casciaro
Kyle Casciaro( born 2 December 1987) is a former Gibraltarian footballer who plays for St Joseph's, and the Gibraltar national team, where he plays as a winger or forward.

Question: Were Solomon Clifford Joseph and Ivan Ivanić of the same nationality?
Answer: no