Robert McGowan Coventry
Robert McGowan Coventry or Robert McGown Coventry( 1855–1914) was a Scottish painter born in Glasgow.
Sir Archibald Muir
Sir Archibald Muir or Mure of Thornton( c.1640–1701) was a Scottish merchant who served as Lord Provost of Edinburgh from 1696 to 1698.
Robert Byington Mitchell
Robert Byington Mitchell( April 4, 1823 January 26, 1882) was a brigadier general in the Union Army during the American Civil War and the Governor of the New Mexico Territory from 1866 to 1869.
Ruprecht Haller von Hallerstein
Ruprecht Or Robert Haller von Hallerstein,( 1533- 1560) was a Bavarian noble lord.
Brigitte Muir
Brigitte Leonce Suzanne Muir( born 8 September 1958) is a Belgian- born Australian mountain climber.
Her climbing career spanned over thirty years.
Robert of Braybrooke
Robert of Braybrooke or Robert le May( 1168 –1210) was a medieval landowner, justice and sheriff.
Robert Fellows
Robert Fellows or Robert M. Fellows( August 23, 1903 in Los Angeles – May 11, 1969 in Los Angeles) was an American film producer who was once a production partner with John Wayne and later with Mickey Spillane.
Suzanne Muir
Suzanne Muir( born July 6, 1970) is a Canadian footballer who played as a defender for the Canada women's national soccer team.
She was part of the team at the 1995 FIFA Women's World Cup and 1999 FIFA Women's World Cup.
Robert Passelewe
Robert Passelewe( or Robert Papelew; died 1252) was a medieval Bishop of Chichester elect as well as being a royal clerk and Archdeacon of Lewes.
Robert Lettis Hooper
Robert Lettis Hooper or Robert Lettice Hooper( died 1738/ 39) was a chief justice of the New Jersey Supreme Court.

Question: Who was born earlier, Suzanne Muir or Robert Byington Mitchell?
Answer: Robert Byington Mitchell