Zenas is a rare boys' name that peaked in 1991 and has since faded.
Zenas is predominantly a boy name. It last appears in U.S. records in 2018. Zenas was first reported in SSA data in 1885 and peaked in 1988 (21 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2018 | 5 | 5 | — | #14,088 |
| 2014 | 5 | 5 | — | #14,054 |
| 2008 | 5 | 5 | — | #14,599 |
| 2001 | 8 | 8 | — | #8,331 |
| 1999 | 9 | 9 | — | #7,136 |
| 1998 | 10 | 10 | — | #6,308 |
| 1997 | 5 | — | — | #10,808 |
| 1996 | 5 | — | — | #10,528 |
| 1994 | 9 | — | — | #6,367 |
| 1993 | 11 | — | — | #5,357 |
| 1992 | 16 | — | — | #3,918 |
| 1991 | 23 | — | #15,458 | #3,459 |
| 1990 | 7 | — | — | #7,177 |
| 1989 | 15 | — | — | #3,808 |
| 1988 | 21 | — | — | #2,764 |
| 1987 | 19 | — | — | #2,837 |
| 1985 | 8 | — | — | #5,146 |
| 1983 | 5 | — | — | #7,343 |
| 1981 | 9 | — | — | #4,507 |
| 1980 | 5 | — | — | #7,291 |
| 1979 | 6 | — | — | #6,052 |
| 1978 | 13 | — | — | #3,214 |
| 1976 | 5 | — | — | #6,495 |
| 1975 | 5 | — | — | #6,335 |
| 1974 | 5 | — | — | #6,004 |
| 1973 | 8 | — | — | #4,053 |
| 1972 | 8 | — | — | #3,962 |
| 1971 | 11 | — | — | #3,144 |
| 1970 | 6 | — | — | #4,722 |
| 1969 | 5 | — | — | #5,041 |
| 1956 | 5 | — | — | #4,454 |
| 1955 | 6 | — | — | #3,884 |
| 1951 | 7 | — | — | #3,363 |
| 1940 | 5 | — | — | #3,937 |
| 1939 | 12 | — | — | #2,158 |
| 1936 | 7 | — | — | #3,146 |
| 1935 | 5 | — | — | #4,146 |
| 1932 | 5 | — | — | #4,284 |
| 1931 | 7 | — | — | #3,388 |
| 1928 | 7 | — | — | #3,695 |
| 1926 | 10 | — | — | #2,903 |
| 1925 | 9 | — | — | #3,154 |
| 1924 | 7 | — | — | #3,866 |
| 1923 | 10 | — | — | #2,948 |
| 1922 | 5 | — | — | #4,964 |
| 1921 | 8 | — | — | #3,516 |
| 1920 | 6 | — | — | #4,285 |
| 1919 | 10 | — | — | #2,875 |
| 1918 | 5 | — | — | #4,813 |
| 1916 | 11 | — | — | #2,541 |
| 1913 | 5 | — | — | #3,260 |
| 1911 | 5 | — | — | #1,998 |
| 1900 | 7 | — | — | #1,161 |
| 1889 | 5 | — | — | #1,111 |
| 1885 | 6 | — | — | #934 |