Cathlyn is a unique and charming name of Irish origin, derived from the ancient Celtic name 'Caitlin', which itself stems from the elements 'cait' meaning 'pure' or 'virgin', and 'lin' signifying 'flax'. This name has gained significant popularity in recent years, particularly in English-speaking countries. Cathlyn is often associated with the Irish god of wisdom and knowledge, Cú Chulainn, who was known for his extraordinary strength and bravery. The variant spelling 'Caitlyn', popularized by celebrities such as Caitlyn Jenner, further adds to its modern appeal.
The name Cathlyn experienced several peaks and valleys in popularity over the years. Its highest point was in 1953 with 18 births, while it dipped as low as 5 births in multiple years. Overall, there were a total of 349 babies named Cathlyn between 1923 and 2011.