Kathi is an established variant of Kathy that was most common in the 1950s and has all but disappeared.
Kathi is a girl name. It last appears in U.S. records in 2001. Kathi first appears in 1938 and peaked in 1958 (824 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2001 | 5 | 5 | #16,615 |
| 1999 | 5 | 5 | #15,568 |
| 1998 | 7 | 7 | #11,744 |
| 1994 | 6 | — | #12,555 |
| 1993 | 9 | — | #9,098 |
| 1992 | 10 | — | #8,388 |
| 1991 | 7 | — | #10,817 |
| 1990 | 15 | — | #5,971 |
| 1989 | 10 | — | #7,711 |
| 1988 | 10 | — | #7,390 |
| 1987 | 13 | — | #5,755 |
| 1986 | 14 | — | #5,305 |
| 1985 | 21 | — | #3,914 |
| 1984 | 19 | — | #4,065 |
| 1983 | 27 | — | #3,094 |
| 1982 | 27 | — | #3,213 |
| 1981 | 37 | — | #2,545 |
| 1980 | 35 | — | #2,672 |
| 1979 | 40 | — | #2,359 |
| 1978 | 42 | — | #2,211 |
| 1977 | 45 | — | #2,105 |
| 1976 | 48 | — | #1,893 |
| 1975 | 65 | — | #1,549 |
| 1974 | 69 | — | #1,452 |
| 1973 | 83 | — | #1,260 |
| 1972 | 116 | — | #1,013 |
| 1971 | 151 | — | #884 |
| 1970 | 171 | — | #812 |
| 1969 | 183 | — | #749 |
| 1968 | 157 | — | #806 |
| 1967 | 184 | — | #726 |
| 1966 | 166 | — | #760 |
| 1965 | 255 | — | #608 |
| 1964 | 330 | — | #544 |
| 1963 | 370 | — | #507 |
| 1962 | 457 | — | #449 |
| 1961 | 536 | — | #424 |
| 1960 | 681 | — | #368 |
| 1959 | 756 | — | #347 |
| 1958 | 824 | — | #324 |
| 1957 | 624 | — | #363 |
| 1956 | 402 | — | #463 |
| 1955 | 398 | — | #451 |
| 1954 | 740 | — | #311 |
| 1953 | 438 | — | #409 |
| 1952 | 275 | — | #509 |
| 1951 | 247 | — | #532 |
| 1950 | 159 | — | #672 |
| 1949 | 119 | — | #794 |
| 1948 | 147 | — | #684 |
| 1947 | 142 | — | #712 |
| 1946 | 117 | — | #757 |
| 1945 | 75 | — | #871 |
| 1944 | 59 | — | #1,023 |
| 1943 | 76 | — | #897 |
| 1942 | 39 | — | #1,289 |
| 1941 | 17 | — | #2,056 |
| 1940 | 14 | — | #2,246 |
| 1939 | 10 | — | #2,816 |
| 1938 | 5 | — | #4,659 |