Tommy Svensson
Leif Tommy Svensson( born 4 March 1945) is a Swedish football manager and former player.
He is best known for playing for Östers IF and the Swedish national football team.
He won the Guldbollen in 1969.
He managed the Swedish National Team between 1991 and 1997 and led them to a bronze medal in the 1994 World Cup.
He is the son of Stig Svensson and the uncle of Joachim Björklund.
James O'Hara (quartermaster)
James O' Hara( 1752? –1819) was an American military officer, businessman, and captain of early industry in Pittsburgh, Pennsylvania, United States.
Egon Svensson
Egon Edvin Roland Svensson( 17 November 1913 – 12 June 1995) was a bantamweight Greco- Roman wrestler from Sweden.
He won silver medals at the 1936 Summer Olympics and 1937 and 1938 European Championships.
His son Roland competed in the same event at the 1968 Olympics.
Roland Svensson
Roland Svensson( 18 January 191031 July 2003), was a Swedish painter, writer, black and white artist, illustrator of books and originals for stamps.
He is most noted for his depiction of the Stockholm archipelago.
He also wrote several books.
Olle Hallberg
Olof Hjalmar" Olle" Hallberg( 13 July 1903 – 31 January 1996) was a Swedish long jumper.
He competed at the 1928 Summer Olympics and finished in 10th place.
Hallberg won the Swedish title in 1925 – 30, 1932 and 1934, and the English AAA title in 1930.
For some time he shared the Swedish national record of 7.53 m with Erik Svensson, and was a member of Swedish Athletics Association.
Dan Zetterström
Dan Zetterström( born 1 June 1954) is a Swedish ornithologist and bird artist.
He is best known as a co-author of the Collins Bird Guide, with Killian Mullarney, Lars Svensson and Peter J. Grant.
He has designed several series of Swedish stamps.
He has contributed to the following titles:
Embla Hjulström
Embla Ester Lovisa Granqvist Hjulström( born 5 July 1994) is a Swedish actress.
She is best known for her role as Greta in" Svensson, Svensson" and Simone Bernér in several Beck- films.
James G. O'Hara
James Grant O'Hara (November 8, 1925 – March 13, 1989) was a soldier and politician from the U.S. state of Michigan, serving as U.S. Representative from 1959 to 1977.
Dimitri Stassos
Dimitri Stassos( Greek: Δημήτρη Στασσος; born 1969 in Stockholm, Sweden), is a Swedish- Greek songwriter known for his entries in the Eurovision Song Contest as well as writing hits for Ola Svensson and others.
Valentine O'Hara
Valentine James O'Hara (8 February 1875 – 8 October 1941) was a noted Irish author and authority on Russia and the Baltic States in the 1920s.

Question: Did Roland Svensson and James G. O'Hara share the same nationality?
Answer: no