Gennaro is an uncommon variant of Genaro that peaked in 1926 and has grown less common since.
Gennaro is a boy name. In 2025 it ranked #4,915 for boy births in the United States (and #10,395 across all names), given to 20 babies. Gennaro first appears in 1904 and peaked in 1926 (42 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 20 | 20 | #4,915 |
| 2024 | 22 | 22 | #4,611 |
| 2023 | 24 | 24 | #4,382 |
| 2022 | 39 | 39 | #3,118 |
| 2021 | 24 | 24 | #4,289 |
| 2020 | 19 | 19 | #4,914 |
| 2019 | 19 | 19 | #5,024 |
| 2018 | 16 | 16 | #5,618 |
| 2017 | 17 | 17 | #5,359 |
| 2016 | 23 | 23 | #4,372 |
| 2015 | 16 | 16 | #5,587 |
| 2014 | 13 | 13 | #6,420 |
| 2013 | 16 | 16 | #5,474 |
| 2012 | 20 | 20 | #4,755 |
| 2011 | 10 | 10 | #7,684 |
| 2010 | 15 | 15 | #5,834 |
| 2009 | 19 | 19 | #4,993 |
| 2008 | 21 | 21 | #4,594 |
| 2007 | 20 | 20 | #4,693 |
| 2006 | 22 | 22 | #4,278 |
| 2005 | 18 | 18 | #4,696 |
| 2004 | 17 | 17 | #4,860 |
| 2003 | 14 | 14 | #5,362 |
| 2002 | 20 | 20 | #4,087 |
| 2001 | 21 | 21 | #3,887 |
| 2000 | 13 | 13 | #5,382 |
| 1999 | 14 | 14 | #4,856 |
| 1998 | 25 | 25 | #3,135 |
| 1997 | 17 | — | #3,937 |
| 1996 | 18 | — | #3,733 |
| 1995 | 23 | — | #3,051 |
| 1994 | 12 | — | #4,897 |
| 1993 | 17 | — | #3,714 |
| 1992 | 17 | — | #3,662 |
| 1991 | 18 | — | #3,373 |
| 1990 | 28 | — | #2,457 |
| 1989 | 20 | — | #3,020 |
| 1988 | 19 | — | #2,891 |
| 1987 | 12 | — | #3,811 |
| 1986 | 12 | — | #3,713 |
| 1985 | 19 | — | #2,636 |
| 1984 | 14 | — | #3,157 |
| 1983 | 23 | — | #2,235 |
| 1982 | 16 | — | #2,889 |
| 1981 | 23 | — | #2,227 |
| 1980 | 17 | — | #2,765 |
| 1979 | 17 | — | #2,703 |
| 1978 | 16 | — | #2,715 |
| 1977 | 23 | — | #2,090 |
| 1976 | 25 | — | #1,954 |
| 1975 | 20 | — | #2,242 |
| 1974 | 23 | — | #1,946 |
| 1973 | 23 | — | #1,898 |
| 1972 | 24 | — | #1,841 |
| 1971 | 23 | — | #1,884 |
| 1970 | 23 | — | #1,866 |
| 1969 | 24 | — | #1,700 |
| 1968 | 30 | — | #1,441 |
| 1967 | 22 | — | #1,679 |
| 1966 | 22 | — | #1,668 |
| 1965 | 16 | — | #2,021 |
| 1964 | 24 | — | #1,628 |
| 1963 | 21 | — | #1,758 |
| 1962 | 21 | — | #1,777 |
| 1961 | 23 | — | #1,709 |
| 1960 | 23 | — | #1,712 |
| 1959 | 12 | — | #2,463 |
| 1958 | 23 | — | #1,657 |
| 1957 | 19 | — | #1,856 |
| 1956 | 11 | — | #2,548 |
| 1955 | 18 | — | #1,868 |
| 1954 | 17 | — | #1,918 |
| 1953 | 22 | — | #1,649 |
| 1952 | 27 | — | #1,473 |
| 1951 | 16 | — | #1,933 |
| 1950 | 18 | — | #1,770 |
| 1949 | 20 | — | #1,681 |
| 1948 | 17 | — | #1,845 |
| 1947 | 16 | — | #1,947 |
| 1946 | 25 | — | #1,419 |
| 1945 | 21 | — | #1,464 |
| 1944 | 18 | — | #1,651 |
| 1943 | 21 | — | #1,549 |
| 1942 | 28 | — | #1,322 |
| 1941 | 25 | — | #1,347 |
| 1940 | 24 | — | #1,380 |
| 1939 | 21 | — | #1,471 |
| 1938 | 21 | — | #1,496 |
| 1937 | 18 | — | #1,656 |
| 1936 | 16 | — | #1,749 |
| 1935 | 29 | — | #1,259 |
| 1934 | 23 | — | #1,439 |
| 1933 | 24 | — | #1,376 |
| 1932 | 22 | — | #1,526 |
| 1931 | 29 | — | #1,295 |
| 1930 | 35 | — | #1,202 |
| 1929 | 34 | — | #1,203 |
| 1928 | 27 | — | #1,429 |
| 1927 | 37 | — | #1,185 |
| 1926 | 42 | — | #1,100 |
| 1925 | 21 | — | #1,701 |
| 1924 | 32 | — | #1,304 |
| 1923 | 35 | — | #1,222 |
| 1922 | 37 | — | #1,186 |
| 1921 | 37 | — | #1,184 |
| 1920 | 37 | — | #1,190 |
| 1919 | 27 | — | #1,397 |
| 1918 | 31 | — | #1,268 |
| 1917 | 40 | — | #1,047 |
| 1916 | 24 | — | #1,430 |
| 1915 | 27 | — | #1,280 |
| 1914 | 30 | — | #1,032 |
| 1913 | 30 | — | #905 |
| 1912 | 20 | — | #1,042 |
| 1911 | 12 | — | #1,005 |
| 1910 | 9 | — | #1,148 |
| 1905 | 5 | — | #1,307 |
| 1904 | 7 | — | #1,004 |