Prominent family members in the sport include Frederick Cavill (1839-1927), sons Ernest Cavill (1868-1935), Percy Cavill (1875-1940), Arthur Cavill (August 24, 1877 - March 1, 1914), who is credited by sports journalist W.F. Corbett with originating the Australian crawl stroke, which now predominates in "freestyle" swimming races; and Sydney Cavill ("Sid") 1881 - May 5, 1945), was the originator of the butterfly stroke. Youngest son Richmond Theophilus was the first to use the crawl in a competition, winning 100 yards State championship in 1899 and in England, in 1902, he was the first to swim 100 yards in under a minute.
- The Royal Family of Swimming, Reader's Digest (Australian edition), Retrieved September 21, 2012
- Allen, Geoff (26 March 1961). The saga of the swimming Cavills, The Sydney Morning Herald
- (13 March 1914). "Tums" Cavill (obituary), Northern Advocate
- (2 March 1914). Cavill Freezes While Swimming: Champion Swimmer Was Unable to Stand Shock of Puget Sound Water, Spokane Daily Chronicle
- (5 May 1945). Sid Cavill Dies, Reading Eagle
- "Cavill, Richmond Theophilus (Dick) (1884 - 1938) Biographical Entry - Australian Dictionary of Biography Online". Adbonline.anu.edu.au. Retrieved 2011-01-29.
- The Cavill Family (AUS) - 1970 Honor Contributors, International Swimming Hall of Fame website, Retrieved September 21, 2012