Cathi is an uncommon variant of Cathy that was most common in the 1960s and has all but disappeared.
Cathi is a girl name. It last appears in U.S. records in 1990. Cathi was first reported in SSA data in 1942 and peaked in 1961 (162 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1990 | 5 | — | #13,295 |
| 1988 | 12 | — | #6,333 |
| 1987 | 9 | — | #7,461 |
| 1986 | 12 | — | #5,814 |
| 1985 | 5 | — | #10,910 |
| 1984 | 7 | — | #8,289 |
| 1983 | 11 | — | #5,877 |
| 1982 | 13 | — | #5,248 |
| 1981 | 14 | — | #5,007 |
| 1980 | 20 | — | #3,870 |
| 1979 | 22 | — | #3,555 |
| 1978 | 17 | — | #4,099 |
| 1977 | 16 | — | #4,257 |
| 1976 | 27 | — | #2,804 |
| 1975 | 13 | — | #4,625 |
| 1974 | 31 | — | #2,443 |
| 1973 | 28 | — | #2,577 |
| 1972 | 40 | — | #1,994 |
| 1971 | 46 | — | #1,881 |
| 1970 | 52 | — | #1,739 |
| 1969 | 62 | — | #1,501 |
| 1968 | 83 | — | #1,190 |
| 1967 | 45 | — | #1,705 |
| 1966 | 77 | — | #1,225 |
| 1965 | 75 | — | #1,243 |
| 1964 | 90 | — | #1,164 |
| 1963 | 108 | — | #1,028 |
| 1962 | 133 | — | #917 |
| 1961 | 162 | — | #826 |
| 1960 | 151 | — | #843 |
| 1959 | 158 | — | #815 |
| 1958 | 159 | — | #796 |
| 1957 | 135 | — | #878 |
| 1956 | 90 | — | #1,087 |
| 1955 | 64 | — | #1,262 |
| 1954 | 95 | — | #1,002 |
| 1953 | 81 | — | #1,071 |
| 1952 | 81 | — | #1,048 |
| 1951 | 48 | — | #1,340 |
| 1950 | 45 | — | #1,365 |
| 1949 | 37 | — | #1,513 |
| 1948 | 43 | — | #1,411 |
| 1947 | 43 | — | #1,417 |
| 1946 | 24 | — | #1,870 |
| 1945 | 10 | — | #2,942 |
| 1944 | 18 | — | #2,037 |
| 1943 | 12 | — | #2,722 |
| 1942 | 7 | — | #3,798 |