Kolleen is a girl's name of Gaelic origin. It is derived from the Irish word cailín, which means "girl." While this name is rarely used in Ireland, it has been a popular choice in the US since the early 20th century. If you want to celebrate your daughter's arrival while honoring your Irish roots, a name like Kolleen ticks many boxes. As baby Kolleen grows and develops, they will delight you every day with their childlike innocence and sweet nature.
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