Mahlon is an uncommon boys' name that peaked in 1919 and has grown less common since.
Mahlon is predominantly a boy name. In 2025 it ranked #2,867 for boy births in the United States (and #6,163 across all names), given to 44 babies. Mahlon first appears in 1880 and peaked in 1919 (95 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 44 | 44 | — | #2,867 |
| 2024 | 37 | 37 | — | #3,254 |
| 2023 | 45 | 45 | — | #2,830 |
| 2022 | 52 | 52 | — | #2,608 |
| 2021 | 49 | 49 | — | #2,638 |
| 2020 | 43 | 43 | #14,468 | #3,109 |
| 2019 | 50 | 50 | #17,077 | #2,790 |
| 2018 | 54 | 54 | — | #2,434 |
| 2017 | 38 | 38 | — | #3,105 |
| 2016 | 44 | 44 | — | #2,750 |
| 2015 | 46 | 46 | — | #2,668 |
| 2014 | 37 | 37 | — | #3,071 |
| 2013 | 43 | 43 | — | #2,747 |
| 2012 | 38 | 38 | — | #3,039 |
| 2011 | 52 | 52 | #16,041 | #2,656 |
| 2010 | 45 | 45 | — | #2,711 |
| 2009 | 45 | 45 | — | #2,735 |
| 2008 | 41 | 41 | #16,694 | #3,261 |
| 2007 | 49 | 49 | — | #2,555 |
| 2006 | 43 | 43 | — | #2,726 |
| 2005 | 38 | 38 | — | #2,829 |
| 2004 | 35 | 35 | — | #2,932 |
| 2003 | 39 | 39 | — | #2,604 |
| 2002 | 45 | 45 | — | #2,324 |
| 2001 | 51 | 51 | — | #2,078 |
| 2000 | 43 | 43 | — | #2,281 |
| 1999 | 42 | 42 | — | #2,221 |
| 1998 | 37 | 37 | — | #2,376 |
| 1997 | 48 | — | — | #1,923 |
| 1996 | 40 | — | — | #2,129 |
| 1995 | 35 | — | — | #2,278 |
| 1994 | 30 | — | — | #2,542 |
| 1993 | 36 | — | — | #2,191 |
| 1992 | 34 | — | — | #2,239 |
| 1991 | 39 | — | — | #1,974 |
| 1990 | 38 | — | — | #2,001 |
| 1989 | 30 | — | — | #2,274 |
| 1988 | 25 | — | — | #2,410 |
| 1987 | 31 | — | — | #2,002 |
| 1986 | 32 | — | — | #1,902 |
| 1985 | 23 | — | — | #2,334 |
| 1984 | 25 | — | — | #2,134 |
| 1983 | 32 | — | — | #1,775 |
| 1982 | 28 | — | — | #1,970 |
| 1981 | 30 | — | — | #1,884 |
| 1980 | 30 | — | — | #1,891 |
| 1979 | 27 | — | — | #1,978 |
| 1978 | 22 | — | — | #2,175 |
| 1977 | 34 | — | — | #1,631 |
| 1976 | 33 | — | — | #1,633 |
| 1975 | 33 | — | — | #1,582 |
| 1974 | 23 | — | — | #1,961 |
| 1973 | 20 | — | — | #2,091 |
| 1972 | 29 | — | — | #1,626 |
| 1971 | 25 | — | — | #1,811 |
| 1970 | 34 | — | — | #1,449 |
| 1969 | 26 | — | — | #1,628 |
| 1968 | 23 | — | — | #1,676 |
| 1967 | 29 | — | — | #1,433 |
| 1966 | 28 | — | — | #1,474 |
| 1965 | 28 | — | — | #1,470 |
| 1964 | 37 | — | — | #1,302 |
| 1963 | 25 | — | — | #1,615 |
| 1962 | 29 | — | — | #1,469 |
| 1961 | 39 | — | — | #1,273 |
| 1960 | 32 | — | — | #1,417 |
| 1959 | 42 | — | — | #1,206 |
| 1958 | 36 | — | — | #1,297 |
| 1957 | 33 | — | — | #1,378 |
| 1956 | 37 | — | — | #1,275 |
| 1955 | 39 | — | — | #1,206 |
| 1954 | 38 | — | — | #1,221 |
| 1953 | 50 | — | — | #1,029 |
| 1952 | 57 | — | — | #951 |
| 1951 | 50 | — | — | #1,002 |
| 1950 | 46 | — | — | #1,047 |
| 1949 | 77 | — | — | #784 |
| 1948 | 75 | — | — | #792 |
| 1947 | 52 | — | — | #993 |
| 1946 | 43 | — | — | #1,053 |
| 1945 | 47 | — | — | #949 |
| 1944 | 52 | — | — | #886 |
| 1943 | 44 | — | — | #1,014 |
| 1942 | 60 | — | — | #847 |
| 1941 | 65 | — | — | #774 |
| 1940 | 53 | — | — | #866 |
| 1939 | 56 | — | — | #816 |
| 1938 | 63 | — | — | #776 |
| 1937 | 61 | — | — | #791 |
| 1936 | 53 | — | — | #842 |
| 1935 | 62 | — | — | #787 |
| 1934 | 75 | — | — | #706 |
| 1933 | 68 | — | — | #742 |
| 1932 | 70 | — | — | #754 |
| 1931 | 69 | — | — | #747 |
| 1930 | 71 | — | — | #761 |
| 1929 | 78 | — | — | #704 |
| 1928 | 66 | — | — | #811 |
| 1927 | 79 | — | — | #740 |
| 1926 | 80 | — | — | #714 |
| 1925 | 84 | — | — | #707 |
| 1924 | 83 | — | — | #727 |
| 1923 | 90 | — | — | #678 |
| 1922 | 91 | — | — | #683 |
| 1921 | 81 | — | — | #736 |
| 1920 | 93 | — | — | #666 |
| 1919 | 95 | — | — | #623 |
| 1918 | 71 | — | — | #777 |
| 1917 | 90 | — | — | #627 |
| 1916 | 79 | — | — | #667 |
| 1915 | 68 | — | — | #722 |
| 1914 | 36 | — | — | #925 |
| 1913 | 40 | — | — | #741 |
| 1912 | 29 | — | — | #828 |
| 1911 | 20 | — | — | #721 |
| 1910 | 17 | — | — | #745 |
| 1909 | 13 | — | — | #824 |
| 1908 | 10 | — | — | #927 |
| 1907 | 12 | — | — | #799 |
| 1906 | 12 | — | — | #735 |
| 1905 | 8 | — | — | #976 |
| 1904 | 11 | — | — | #748 |
| 1903 | 7 | — | — | #978 |
| 1902 | 11 | — | — | #716 |
| 1901 | 10 | — | — | #711 |
| 1900 | 6 | — | — | #1,259 |
| 1899 | 9 | — | — | #761 |
| 1897 | 9 | — | — | #764 |
| 1896 | 18 | — | — | #491 |
| 1895 | 12 | — | — | #630 |
| 1894 | 7 | — | — | #919 |
| 1893 | 5 | — | — | #1,136 |
| 1892 | 10 | — | — | #728 |
| 1891 | 12 | — | — | #547 |
| 1890 | 5 | — | — | #1,096 |
| 1889 | 8 | — | — | #760 |
| 1888 | 8 | — | — | #790 |
| 1887 | 6 | — | — | #886 |
| 1886 | 9 | — | — | #676 |
| 1885 | 6 | — | — | #893 |
| 1884 | 12 | — | — | #562 |
| 1883 | 13 | — | — | #508 |
| 1882 | 12 | — | — | #566 |
| 1881 | 7 | — | — | #753 |
| 1880 | 14 | — | — | #494 |