Conley is an Irish surname, an anglicized form of Ó Conghaile, "descendant of Conghal", an Old Irish name usually explained as "hound of valor" or "fierce as a hound". As a first name it belongs to the group of two-syllable Irish surnames such as Connor, Conner and Colby that American parents have favored since the 1990s. Conley stood at number 3089 in 2000, reached its best rank of number 1836 in 2011 and is number 2521 among boys' names in 2025.