Killean is an uncommon, yet captivating given name of Irish origin. It is derived from the Irish surname 'Ó Ceallacháin', which means 'descendant of Ceallachán'. The name Ceallachán itself translates to 'strife' or 'warlike'. Despite its potential rugged connotation, Killean has a certain elegance and uniqueness that sets it apart. It's pronounced /KIL-ee-an/, with the stress on the second syllable.
"Killean is quite rare, with only 9 babies given this name each year on average between 2017 and present."