About the name Cathleen
Cathleen belongs to the Irish & Celtic tradition. Its roots are documented, even though its precise meaning is not recorded in the standard references — an honest gap we prefer to a confident guess. It travels in a few spellings: Kathleen.
In the United States, Cathleen first appears in Social Security records in 1896. It climbed to its best-ever rank of #251 in 1956, and in 2024 11 babies received the name — 29,912 in total since 1880. Those are the official counts, not estimates.