Farrel is a rare boys' name that was most common in the 1930s and has all but disappeared.
Farrel is predominantly a boy name. It last appears in U.S. records in 2003. Farrel first appears in 1913 and peaked in 1937 (25 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2003 | 5 | 5 | — | #11,446 |
| 1985 | 8 | — | — | #4,844 |
| 1984 | 6 | — | — | #5,824 |
| 1983 | 5 | — | — | #6,587 |
| 1977 | 14 | — | — | #2,955 |
| 1976 | 5 | — | — | #5,886 |
| 1974 | 9 | — | — | #3,651 |
| 1973 | 6 | — | — | #4,697 |
| 1971 | 11 | — | — | #3,028 |
| 1970 | 10 | — | — | #3,139 |
| 1969 | 13 | — | — | #2,462 |
| 1968 | 7 | — | — | #3,466 |
| 1967 | 8 | — | — | #3,075 |
| 1966 | 9 | — | — | #2,848 |
| 1965 | 7 | — | — | #3,342 |
| 1964 | 6 | — | — | #3,753 |
| 1963 | 7 | — | — | #3,427 |
| 1962 | 10 | — | — | #2,727 |
| 1961 | 15 | — | — | #2,174 |
| 1960 | 14 | — | — | #2,250 |
| 1959 | 17 | — | — | #1,998 |
| 1958 | 13 | — | — | #2,296 |
| 1956 | 17 | — | — | #1,960 |
| 1955 | 24 | — | — | #1,580 |
| 1954 | 18 | — | — | #1,848 |
| 1953 | 16 | — | — | #1,990 |
| 1952 | 21 | — | — | #1,678 |
| 1951 | 20 | — | — | #1,691 |
| 1950 | 20 | — | — | #1,670 |
| 1949 | 10 | — | — | #2,502 |
| 1948 | 13 | — | — | #2,146 |
| 1947 | 15 | — | — | #2,017 |
| 1946 | 19 | — | — | #1,658 |
| 1945 | 13 | — | — | #1,959 |
| 1944 | 17 | — | — | #1,702 |
| 1943 | 21 | — | #4,349 | #1,940 |
| 1942 | 16 | — | — | #1,822 |
| 1941 | 19 | — | #4,113 | #2,028 |
| 1940 | 7 | — | — | #2,957 |
| 1939 | 20 | — | #3,919 | #1,907 |
| 1938 | 15 | — | — | #1,849 |
| 1937 | 25 | — | — | #1,352 |
| 1936 | 14 | — | — | #1,909 |
| 1935 | 15 | — | — | #1,865 |
| 1934 | 19 | — | — | #1,630 |
| 1933 | 21 | — | #4,438 | #1,789 |
| 1932 | 20 | — | — | #1,604 |
| 1931 | 15 | — | — | #1,960 |
| 1930 | 15 | — | — | #2,001 |
| 1929 | 17 | — | — | #1,884 |
| 1928 | 18 | — | — | #1,856 |
| 1927 | 13 | — | — | #2,335 |
| 1926 | 15 | — | — | #2,115 |
| 1925 | 8 | — | — | #3,234 |
| 1924 | 11 | — | — | #2,713 |
| 1923 | 13 | — | — | #2,376 |
| 1922 | 14 | — | — | #2,277 |
| 1921 | 14 | — | #5,386 | #3,063 |
| 1920 | 9 | — | — | #3,044 |
| 1919 | 18 | — | #5,062 | #2,302 |
| 1917 | 11 | — | #4,846 | #3,697 |
| 1916 | 6 | — | — | #3,626 |
| 1915 | 19 | — | — | #1,622 |
| 1914 | 6 | — | — | #3,028 |
| 1913 | 7 | — | — | #2,347 |