Healy is an Irish surname and given name, derived from the Gaelic word 'Ó hÉilí', which means 'descendant of Éilí'. The name was traditionally passed down as a patronymic, meaning it was used to indicate descent from a male ancestor named Éilí. Éilí himself may have been named after an ancient chieftain known for his wisdom and learning. Over time, Healy has evolved into both a surname and a given name, and its popularity has spread beyond Ireland.
"The name Healy experienced a significant drop in popularity between 1995 and 1997, with only half as many births recorded in the latter year. After a slight increase in 2003, the number of births stabilized around five per year until 2009, after which it rose again slightly in 2012."