Trevor can be a given name or surname of Welsh origin (as a given name Trefor in Welsh): also a habitational name from any of the numerous places in Wales, in particular the one near Llangollen, from the Welsh tre(f), meaning "homestead", or "settlement" and a form of mawr, meaning "large, big", cf. Bryn Mawr.
Trevor is also a name of Irish origin. It is a reduced Anglicized form of Gaelic Ó Treabhair (descendant of Treabhar), a byname meaning "industrious", "ambitious", or "prudent".
The Trevor dynasty have for centuries been associated with the Llangollen and Chirk areas in Denbighshire, north-east Wales:
John Trevor I was Bishop of St Asaph (1352–1357)John Trevor II was Bishop of St Asaph (1395–1402)Robert Hampden-Trevor, 1st Viscount Hampden of the first creation (1706–1783), DiplomatBaron Trevor is a British peerage title.Notable people with the surname Trevor include:
Claire Trevor (1910–2000), American actressGlen Trevor (1900–1954), pen-name of James HiltonHugh Trevor, American actorWilliam Trevor (1928–2016), Irish writerHugh Trevor-Roper, Lord Dacre (1914–2003), British historianHorace Trevor-Cox (1908–2005),Conservative MP who later joined LabourNotable people with the forename Trevor include:
Trevor Ariza, NBA basketballTrevor Bailey, English cricketerTrevor Bauer, MLB pitcherTrevor Bayne, NASCAR DriverTrevor Baylis (born 1937), British inventorTrevor Bayliss, Australian cricket coachTrevor Berbick, boxerThe Hon. Sir Trevor Bigham, policemanTrevor Bolder, British musician, bassist for band Uriah HeepSir Trevor Brooking, English international footballerTrevor Cahill, baseball playerSir Trevor ChinnTrevor Christensen (born 1993), American DJTrevor Christie (born 1959), English footballerTrevor Daley, hockey playerSir Trevor Dawson Bt, arms manufacturerTrevor Denman, Thoroughbred race track announcer, sportscasterTrevor Devall, actorTrevor Erhardt (born 1962), Canadian ice hockey playerTrevor Eve, actorTrevor Foster, Welsh rugby footballerTrevor Francis, former English footballerTrevor Gaskins, Panamaian basketball playerTrevor Gleeson, Australian basketball coachSir Trevor Gould, Colonial judgeTrevor Haddon, British artist and illustratorSir Trevor Henry, New Zealand judgeTrevor Hill, 1st Viscount HillsboroughTrevor Hockey, Welsh footballerTrevor Hoffman, MLB baseballTrevor HornTrevor Howard, actorTrevor Huddleston, Anglican priest and anti-apartheid activistTrevor Hurst, Canadian singer, vocalist for band Econoline CrushTrevor Jones (composer), orchestral film score composerTrevor Kidd, hockey playerSir Trevor Lawrence, 2nd BaronetTrevor Letowski, hockey playerTrevor Oswin Lewis, 4th Baron MerthyrDavid Trevor Lewis, 5th Baron MerthyrTrevor Lewis, hockey playerTrevor Linden, hockey playerTrevor Lock, comedianTrevor Lucas, spoken word artistTrevor Mallard, New Zealand politician and Cabinet MinisterTrevor Manuel, South African politician and economistPeter Trevor Maxwell, Peter Maxwell, 28th Baron de Ros, Premier Baron of EnglandSir Trevor McDonald, broadcasterTrevor Moore (disambiguation), multiple peopleTrevor Murdock, ring name of professional wrestler William MuellerTrevor Nelson, British DJTrevor Noah, South African stand-up comedianSir Trevor Nunn, theatre and film directorTrevor Ogilvie-Grant, 4th Baron Strathspey (1879–1948), member of the House of LordsTrevor Phillips (born 1953), British politicianTrevor Pinnock (born 1946), English conductor and harpsichordistTrevor Plouffe, baseball playerTrevor Pryce (born 1975), American football playerTrevor Rabin, guitarist formerly of the rock group YesTrevor Read (born 1980), Canadian ice hockey defencemanTrevor Rees-Jones, American billionaire and executiveTrevor Rees-Jones, Bodyguard and sole survivor of the car crash that killed Diana, Princess of WalesTrevor Roach (born 1992), American football playerTrevor Roberts, 2nd Baron ClwydTrevor Rosenthal (born 1990), baseball playerTrevor St. John, American actorTrevor Segstro (born 1978), Canadian ice hockey playerTrevor Semper, Montserratian cricketerTrevor Siemian, NFL quarterbackSir Trevor Skeet, Conservative MPTrevor Smith (ice hockey), Canadian ice hockey playerTrevor Arthur Smith, Baron Smith of Clifton, Liberal Democrat PeerTrevor Tahiem Smith Jr., a.k.a. Busta Rhymes, American rapperAdmiral Sir Trevor Soar, C-in-C Fleet from June 2009Trevor Spring, gentleman cricketer and army officerTrevor Stamp, 3rd Baron Stamp FRCPathTrevor Stamp, 4th Baron Stamp FRCPTrevor Steven, English footballerTrevor van Riemsdyk, American ice hockey playerTrevor Wilkinson (1947–1965), founder of TVR sports carsSir Trevor Williams, 1st BaronetTrevor Williams (American football), American football playerTrevor Wright, American actorTrevor the Traction Engine in The Railway Series children's books by the Rev. W. AwdryTrevor, Neville Longbottom's pet toad in the Harry Potter seriesMagical Trevor, a magician in Weebl's cartoonsTrevor Belmont in the Castlevania game seriesTrevor Joseph Brennan/Bauer, main character in the Romantic Suspense series, CountermeasureTrevor Evans, childhood/closest friend (at the beginning) of Mike Ross in U.S. TV series SuitsTrevor Fitzroy, supervillain in Marvel ComicsTrevor Goodchild, antagonist in the franchise Æon FluxD.S. Trevor Hands in the British crime drama television series M.I.T.: Murder Investigation Team played by Michael McKell (2003, 2005)Trevor Jordache in the Channel 4 soap opera BrooksideTrevor Langan, a recurring character and criminal defense attorney in the US TV series "Law and Order: Special Victims Unit" played by Peter HermannTrevor McKinney, a 12-year-old in the movie Pay It Forward played by Haley Joel OsmentTrevor Morgan in the BBC soap opera EastEndersTrevor Ockmonick in the 80's TV show ALFTrevor Philips is one of the three playable protagonists in the videogame Grand Theft Auto V by Rockstar GamesTrevor Reznik, main character of the movie The Machinist, played by Christian BaleTrevor Troublemeyer, one of the main characters in the Canadian animated series SidekickSteve Trevor, character in the DC Comics and 1970s television series Wonder WomanTrevor Hale, main character of the TV show Cupid played by Jeremy Piven