claim: Sean Gunn is a Native-American actor.
evidence: Emmanuel Lionel `` Manny '' Mercer -LRB- 15 November 1928 -- 26 September 1959 -RRB- was an English thoroughbred horse racing jockey .. thoroughbred horse racing. thoroughbred horse race. jockey. jockey. A brother of jockey Joe Mercer , he was married to the daughter of trainer Harry Wragg .. jockey. jockey. Joe Mercer. Joe Mercer ( jockey ). trainer. horse trainer. Harry Wragg. Harry Wragg. Their daughters , Joanna and Carolyn who married jockey Pat Eddery .. jockey. jockey. Pat Eddery. Pat Eddery. A leading jockey throughout most of the 1950s , in 1954 Mercer won eighty-eight races , finishing second in the jockey standings to Doug Smith .. jockey. jockey. Doug Smith. Doug Smith ( jockey ). During his shortened career , Mercer won two British Classic Races , capturing the 1953 1,000 Guineas Stakes aboard Happy Laughter , and the 1954 2,000 Guineas Stakes on Darius .. 1,000 Guineas Stakes. 1,000 Guineas Stakes. 2,000 Guineas Stakes. 2,000 Guineas Stakes. Happy Laughter. Happy Laughter. Darius. Darius ( horse ). British Classic Races. British Classic Races. In 1952 he gained much media attention in the United States for his masterful ride on Wilwyn in winning the inaugural running of the Washington , D.C. International at Laurel Park Racecourse in Laurel , Maryland .. Wilwyn. Wilwyn. United States. United States. Laurel Park Racecourse. Laurel Park Racecourse. Mercer died on 26 September 1959 when a filly named Priddy Fair threw him before the start of the Red Deer Stakes at Ascot Racecourse .. Ascot Racecourse. Ascot Racecourse. Mercer was fatally kicked in the head as he fell to the ground .. Reporting on his death , The Age newspaper in Melbourne called Mercer `` one of Britain 's most brilliant race riders '' .. Melbourne. Melbourne. In a 2009 Racing Post article by John Cobb marking the fiftieth anniversary of Mercer 's death , he was called `` one of its -LSB- racing 's -RSB- brightest stars '' .. Racing Post. Racing Post. Manny Mercer Court in Newmarket , Suffolk is named in his memory .. He is buried in Newmarket Cemetery .