Halsey, of Irish origin, is an androgynous given name derived from the Irish surname Ó hUallacháin, which means 'descendant of Uallachán'. The name Uallachán itself comes from the Old Irish word 'uallach', meaning 'prosperous' or 'full'. Halsey is unisex, but it has been more commonly used as a masculine name in recent history. It gained some popularity in the early 20th century and experienced a resurgence in usage during the late 1980s to mid-1990s. Today, it continues to be a unique choice for parents seeking an uncommon yet historic name for their child. Notable individuals with the name Halsey include American singer-songwriter Ashley Nicolette Frangipane, known professionally as Halsey, and British-American actor Halsey Roger Taylor, son of Queen drummer Ringo Starr.
"The name Halsey experienced its peak popularity between 1913 and 1927 with consistently high numbers of births per year, reaching a record 18 births in 1924. After the 1930s, the frequency of the name Halsey significantly declined, with fewer than 10 births per year from 1959 onwards."