Trevor is a Welsh surname and place name, from tref, settlement, and mawr, big, which means "big village". It became a first name in Britain in the 19th century and was a top 100 name in the United States from the late 1980s to the early 2000s; the comedian Trevor Noah and the quarterback Trevor Lawrence are its best-known bearers today. Trevor was number 75 in 2000, 305 in 2015 and ranks 680 in 2025.