Keeley is an Irish surname, Ó Caollaidhe, that is usually explained as "slender" or "graceful"; in the 20th century it became a girls' first name in Britain, Ireland and Australia. Actress Keeley Hawes is its best-known bearer. In the US Keeley hovered around number 1000 in the early 2000s, dropped as low as number 3522 in 2020 and has recovered to number 1567 in 2025.