Henry George Mayes, MBE (14 February 1880 – 1928[2]) was a British-Canadian tennis player, military figure and businessman.

In 1908, he resigned his commission after marrying Frances Hazard of Long Island, and moved to Winnipeg, Manitoba, Canada in 1909.

[3] However, he was called to military duty against with the outbreak of World War I and was a founding member of The Fort Garry Horse, serving under the Canadian forces on the Western Front from 1914 to 1916 in France, during which he was promoted from captain to major.

His sporting expertise saw him appointed head of physical training with the Canadian Air Force and in the same position in the UK for the RAF, which saw him awarded an MBE in January 1918.

[3][4] According to the United States Lawn Tennis Association, Mayes was reported to have still been in peak physical shape before his death, "approaching a half century".