Donald is the English form of the Scottish Gaelic Domhnall and means "world ruler" or "ruler of the world", from the Celtic elements dumno, world, and val, rule. It was borne by early Scottish kings, by Disney's Donald Duck and by President Donald Trump, and it was a top 20 name in the United States from the 1920s to the 1940s. Donald ranked number 217 in 2000 and has slipped year by year to number 690 in 2025.