Catlyn is of Irish origin, derived from the ancient Gaelic name Cathalain. It means "pure" or "chaste". The name has been popular in Ireland for centuries and has since gained international recognition. Catlyn is typically pronounced as /ˈkæt.lɪn/ with the emphasis on the first syllable. It offers a unique blend of vintage charm and contemporary appeal, making it an appealing choice for parents seeking a distinctive yet approachable name for their daughter.
The name Catlyn experienced a notable peak in popularity between the years of 1989 to 1998 with over 36 births each year during this period. However, from 1999 onwards, there was a significant decrease in the number of babies named Catlyn, with less than 20 births per year on average. The most recent data available is from 2014 and 2018, both years saw only 5 births each. Overall, a total of 607 babies were named Catlyn between 1985 and 2018.