Cathlin is a very rare variant of Cathleen that was most common in the 1960s and has all but disappeared.
Cathlin is a girl name. It last appears in U.S. records in 2001. Cathlin first appears in 1951 and peaked in 1961 (9 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2001 | 5 | 5 | #15,800 |
| 1994 | 7 | — | #10,763 |
| 1989 | 6 | — | #11,052 |
| 1988 | 5 | — | #12,101 |
| 1986 | 5 | — | #11,161 |
| 1985 | 6 | — | #9,463 |
| 1979 | 6 | — | #9,151 |
| 1977 | 6 | — | #8,591 |
| 1971 | 7 | — | #6,696 |
| 1969 | 6 | — | #6,728 |
| 1966 | 5 | — | #6,695 |
| 1963 | 9 | — | #4,585 |
| 1961 | 9 | — | #4,582 |
| 1960 | 7 | — | #5,235 |
| 1959 | 7 | — | #5,099 |
| 1957 | 6 | — | #5,465 |
| 1956 | 6 | — | #5,381 |
| 1951 | 8 | — | #4,070 |