Kathline is a very rare variant of Kathleen that was most common in the 1950s and has all but disappeared.
Kathline is a girl name. It last appears in U.S. records in 1990. Kathline was first reported in SSA data in 1915 and peaked in 1952 (16 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1990 | 5 | — | #14,024 |
| 1989 | 7 | — | #10,220 |
| 1987 | 6 | — | #10,488 |
| 1985 | 6 | — | #9,894 |
| 1974 | 5 | — | #9,377 |
| 1973 | 5 | — | #9,001 |
| 1971 | 7 | — | #6,923 |
| 1970 | 8 | — | #6,050 |
| 1969 | 5 | — | #7,993 |
| 1968 | 5 | — | #7,532 |
| 1967 | 8 | — | #5,188 |
| 1966 | 5 | — | #7,048 |
| 1965 | 11 | — | #4,060 |
| 1963 | 9 | — | #4,692 |
| 1962 | 8 | — | #5,078 |
| 1961 | 9 | — | #4,701 |
| 1960 | 5 | — | #6,811 |
| 1959 | 9 | — | #4,459 |
| 1958 | 6 | — | #5,742 |
| 1957 | 6 | — | #5,734 |
| 1956 | 10 | — | #4,034 |
| 1955 | 10 | — | #3,920 |
| 1954 | 6 | — | #5,439 |
| 1953 | 7 | — | #4,799 |
| 1952 | 16 | — | #2,730 |
| 1951 | 7 | — | #4,599 |
| 1950 | 9 | — | #3,815 |
| 1949 | 5 | — | #5,632 |
| 1930 | 5 | — | #4,904 |
| 1928 | 6 | — | #4,454 |
| 1915 | 5 | — | #4,611 |