Matthew A. McGee explained

Matthew A. McGee (December 1890 - October 28, 1949)^[1] was an American jockey born and raised in Covington, Kentucky who rode Durbar to victory in the 1914 Epsom Derby, England's most prestigious race,^[2] for Herman B. Duryea. Based in France his other winners for Duryea included the 1913 French 1000 Guineas (the Poule d'Essai des Pouliches) on Banshee.^[3] Afterwards he rode for several years for Baron Edouard de Rothschild up to 1927.^[4]

Note that his name is frequently misspelled as "MacGee" in European records, including the Media Guide for the Epsom Derby^[5] and on a 1923 sports card.^[6] His temporary licenses to ride in England were issued in the name of "Matthew A MacGee" and later "Mathew A MacGee".^[7]

Notes and References

1. His death certificate (Commonwealth of Kentucky, coronary thrombosis) lists his date of birth as 16 December 1891 and his name as Mathew A McGee. His social security application (SSN 324224445) gives the same date but name of Matt Aloysius McGee
2. https://www.kentonlibrary.org/2014/100-years-ago-latonia-jockey-reached-horse-racings-pinnacle-2 Kenton County (Kentucky) Public Library, April 8, 2014 comprehensive article with photos titled "100 Years Ago, Latonia Jockey Reached Horse Racing’s Pinnacle"
3. The Scotsman, 19 May 1913, p.9
4. Dundee Evening Telegraph, 1 June 1927, p.1
5. https://www.epsomderby.co.uk/content/uploads/2017/05/Media-guide-2017.pdf
6. https://www.flickr.com/photos/44841559@N03/40876947501
7. The Racing Calendar for the year 1912: races past, London, 1912, and subsequent volumes up to 1924