Killian
boyKIL-ee-an
“war or descendant of the warrior”
Popularity Over Time
Births per million by decade (SSA data, 1960s–2020s)
The Story
Killian is a name steeped in Irish history, derived from the Gaelic name 'Cillian'. It has been borne by saints and scholars, giving it a rich spiritual heritage. Modern parents are drawn to its strong, yet gentle vibe, often associating it with qualities of bravery and kindness, making it a popular choice for boys today.
Names That Vibe With Killian
Killian Appears in These Lists
Classic & Timeless
Names that have stood the test of time — elegant, familiar, and never out of fashion.
Vintage Revival
Old-fashioned names making a stunning comeback. Think grandparent-chic meets modern cool.
Elegant & Sophisticated
Names dripping with refinement. Perfect for parents seeking grace, poise, and a hint of grandeur.
Strong & Bold
Powerful names with warrior energy. For parents raising future leaders and trailblazers.
Irish & Celtic
Names from the Emerald Isle and ancient Celtic traditions. Rich in history, melody, and myth.