Hayes, a surname-turned-given-name, is derived from the Old English word hæg, meaning "enclosure" or "fence." It can also be an Anglicized form of the Irish surname Ó hAodha, meaning "descendent of Aodh," with Aodh meaning "little fire." It was scarcely used in the early 1900s but started gaining popularity in the 2000s and has now been a top-250 boy's name every year since 2020. It's the name iconic actress Jessica Alba gave her son Hayes Alba, born in 2017, as well as the name country singer Maren Morris gave her son Hayes in 2020.