Sean O'Sullivan (rugby league)
Sean O' Sullivan is an Australian rugby league footballer who plays as a halfback for the Brisbane Broncos in the NRL.
He previously played for the Sydney Roosters in the National Rugby League.
Prathia Hall
Prathia Hall( January 1, 1940 – August 12, 2002) was an American leader and activist in the Civil Rights Movement, a womanist theologian, and ethicist.
She was the key inspiration for Martin Luther King Jr.'s" I Have A Dream" speech.
Sean Sullivan (ice hockey)
Sean Sullivan( born March 29, 1984) is a professional ice hockey defenseman who is currently playing with ERC Ingolstadt in the Deutsche Eishockey Liga( DEL).
Sullivan holds dual citizenship in the US and Germany.
Sean Sullivan (judoka)
Sean Sullivan( born 28 December 1970) is an Irish judoka.
He competed in the men's extra-lightweight event at the 1996 Summer Olympics.
Sean M. Sullivan
Sean M. Sullivan is a former college soccer player and currently the athletic director at The Catholic University of America in Washington, D.C., where he replaced Michael S. Allen.
Sean Sullivan (footballer)
Sean Sullivan( born 16 September 1971) was a professional footballer and is currently goalkeeper coach for Maltese Premier League side Valletta, he played as a goalkeeper during his career.
William Whipple Jr.
William Whipple, Jr.( 1909- 2007), was a Brigadier General of the U.S. Army, who played a significant role in the development of the Marshall Plan.
He was also the chief engineer for the construction of the 1964 New York World's Fair, and a recognized authority on water resources, having written more than 100 books and articles on water supply, navigation, flood control, and power generation.
Sean O'Sullivan (baseball)
Sean Daniel O'Sullivan( born September 1, 1987) is an American professional baseball pitcher who is currently a free agent.
He previously played in Major League Baseball( MLB) for the Los Angeles Angels of Anaheim, Kansas City Royals, San Diego Padres, Philadelphia Phillies, and Boston Red Sox and in KBO League for the Nexen Heroes.
Earl Potteiger
William Earl Potteiger( February 11, 1893 – April 7, 1959) was an American football, baseball, and basketball player and coach.
He played professionally in both baseball and football and coached professionally in basketball, baseball and football.
Potteiger was player- coach for the New York Giants when they won their first National Football League championship in 1927.
He also played minor league baseball from 1913 to 1917, in 1919, and from 1926 to 1927.
He managed in the minors from 1926 to 1927 and in 1932.
Thomas Whipple Jr.
Thomas Whipple Jr.( 1787 – January 23, 1835) was a U.S. Representative from New Hampshire.
Born in Lebanon, New Hampshire, Whipple completed preparatory studies, moving to Warren, New Hampshire, in 1811.
He studied medicine in Haverhill and Hanover, New Hampshire, and was graduated from Dartmouth College in 1814.
He commenced practice in Wentworth and served as member of the New Hampshire House of Representatives, 1818- 1820.
Whipple was elected to the Seventeenth and to the three succeeding Congresses( March 4, 1821 – March 3, 1829).
Subsequently, he resumed the practice of medicine, and died in Wentworth, New Hampshire, January 23, 1835.
He was interred in Wentworth Village Cemetery.

Question: Do Sean O'Sullivan (Baseball) and Thomas Whipple Jr. have the same nationality?
Answer: yes