Caro is a very rare variant of Cara that was most common in the 1950s and has all but disappeared.
Caro is predominantly a girl name. It last appears in U.S. records in 1964. Caro was first reported in SSA data in 1883 and peaked in 1953 (13 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 1964 | 5 | — | #6,887 | — |
| 1961 | 5 | — | #6,678 | — |
| 1960 | 7 | — | #5,230 | — |
| 1957 | 6 | — | #5,456 | — |
| 1956 | 6 | — | #5,378 | — |
| 1954 | 5 | — | #5,844 | — |
| 1953 | 13 | — | #3,132 | — |
| 1952 | 6 | — | #4,985 | — |
| 1951 | 12 | — | #3,126 | — |
| 1950 | 10 | — | #3,454 | — |
| 1949 | 6 | — | #4,743 | — |
| 1948 | 6 | — | #4,736 | — |
| 1946 | 6 | — | #4,501 | — |
| 1944 | 9 | — | #3,166 | — |
| 1943 | 5 | — | #4,779 | — |
| 1942 | 11 | — | #2,845 | — |
| 1941 | 5 | — | #4,498 | — |
| 1940 | 5 | — | #4,453 | — |
| 1939 | 7 | — | #3,480 | — |
| 1938 | 7 | — | #3,494 | — |
| 1937 | 5 | — | #4,331 | — |
| 1936 | 7 | — | #3,420 | — |
| 1933 | 5 | — | #4,305 | — |
| 1932 | 8 | — | #3,317 | — |
| 1929 | 5 | — | #4,668 | — |
| 1928 | 7 | — | #3,811 | — |
| 1927 | 7 | — | #3,920 | — |
| 1924 | 7 | — | #4,063 | — |
| 1923 | 7 | — | #4,033 | — |
| 1922 | 11 | — | #2,991 | — |
| 1921 | 6 | — | #4,560 | — |
| 1919 | 6 | — | #4,330 | — |
| 1918 | 6 | — | #4,372 | — |
| 1917 | 7 | — | #3,776 | — |
| 1914 | 8 | — | #2,670 | — |
| 1913 | 5 | — | #3,257 | — |
| 1911 | 10 | — | #2,523 | #1,779 |
| 1906 | 5 | — | #1,994 | — |
| 1891 | 5 | — | #1,362 | — |
| 1883 | 5 | — | #946 | — |