Cullin as a Baby Name. Meaning and Origin of Cullin

What is the meaning of the name Cullin ?

The baby name Cullin is a Male name , 2 syllables long and is pronounced KUL-in (IPA: /ˈkʌlɪn/ or /ˈkʊlɪn/).

Cullin is English, Gaelic, Irish, Scottish in Origin.

Cullin is a modern spelling of the Irish and Scottish surname-given name Cullen, deriving from Gaelic Ó Cuilinn (also Ó Cuileannáin), built on cuileann, “holly.” As a nature-derived byname, it likely referred to someone who lived near holly trees or bore a symbolic association with the evergreen. In Scotland the name also aligns with place-based surnames (e.g., Cullen in Moray), which later fed into given-name use. Pronounced KUHL-in, Cullin is distinct from Colin (from Gaelic Cailean or from Nicholas), though the two are occasionally confused.

As a first name, Cullin has appeared in Ireland and the English-speaking diaspora since the 19th century, gaining broader visibility in the late 20th and early 21st centuries alongside the rise of surname-names and pop-cultural exposure to Cullen. Variant spellings include Cullen, Cullan, Cullyn, and Culin; feminine or unisex use is occasional. The core meaning remains “holly” or “holly tree.”