Monnie is an uncommon name used for both girls and boys that peaked in 1917 and has since faded.
Monnie is predominantly a girl name. It last appears in U.S. records in 2021. Monnie was first reported in SSA data in 1884 and peaked in 1922 (46 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2021 | 5 | 5 | #16,910 | — |
| 1991 | 5 | — | #14,630 | — |
| 1986 | 5 | — | #12,150 | — |
| 1981 | 5 | — | #11,521 | — |
| 1976 | 6 | — | #8,851 | — |
| 1975 | 13 | — | #8,674 | #4,636 |
| 1974 | 11 | — | #9,707 | #5,043 |
| 1973 | 8 | — | #6,463 | — |
| 1971 | 10 | — | #9,169 | #5,407 |
| 1970 | 6 | — | #7,673 | — |
| 1969 | 15 | — | #5,328 | #4,257 |
| 1968 | 14 | — | #5,027 | #4,546 |
| 1965 | 17 | — | #3,883 | #4,265 |
| 1964 | 11 | — | #4,275 | — |
| 1963 | 12 | — | #5,716 | #4,437 |
| 1962 | 16 | — | #5,154 | #3,222 |
| 1961 | 24 | — | #3,032 | #3,928 |
| 1960 | 28 | — | #3,313 | #2,396 |
| 1959 | 13 | — | #3,566 | — |
| 1958 | 19 | — | #3,338 | #4,329 |
| 1957 | 26 | — | #3,000 | #2,768 |
| 1956 | 21 | — | #3,635 | #2,908 |
| 1955 | 17 | — | #2,801 | — |
| 1954 | 28 | — | #2,350 | #3,702 |
| 1953 | 46 | — | #1,914 | #1,940 |
| 1952 | 41 | — | #1,812 | #2,627 |
| 1951 | 29 | — | #2,231 | #2,992 |
| 1950 | 27 | — | #2,103 | #4,032 |
| 1949 | 23 | — | #2,690 | #2,944 |
| 1948 | 26 | — | #2,304 | #3,217 |
| 1947 | 38 | — | #1,930 | #2,323 |
| 1946 | 34 | — | #1,669 | #3,856 |
| 1945 | 30 | — | #1,783 | #2,911 |
| 1944 | 25 | — | #2,171 | #2,785 |
| 1943 | 31 | — | #1,779 | #3,145 |
| 1942 | 25 | — | #2,096 | #3,123 |
| 1941 | 30 | — | #1,731 | #2,813 |
| 1940 | 26 | — | #1,541 | — |
| 1939 | 22 | — | #1,669 | — |
| 1938 | 27 | — | #1,467 | — |
| 1937 | 26 | — | #1,483 | — |
| 1936 | 22 | — | #1,626 | — |
| 1935 | 22 | — | #1,643 | — |
| 1934 | 29 | — | #1,368 | — |
| 1933 | 27 | — | #1,700 | #3,525 |
| 1932 | 31 | — | #1,338 | — |
| 1931 | 43 | — | #1,088 | — |
| 1930 | 29 | — | #1,691 | #3,875 |
| 1929 | 29 | — | #1,439 | — |
| 1928 | 41 | — | #1,200 | — |
| 1927 | 35 | — | #1,380 | — |
| 1926 | 38 | — | #1,436 | #4,048 |
| 1925 | 45 | — | #1,247 | #4,684 |
| 1924 | 42 | — | #1,464 | #3,177 |
| 1923 | 44 | — | #1,170 | — |
| 1922 | 46 | — | #1,141 | — |
| 1921 | 42 | — | #1,195 | — |
| 1920 | 37 | — | #1,270 | — |
| 1919 | 37 | — | #1,264 | — |
| 1918 | 38 | — | #1,227 | — |
| 1917 | 48 | — | #1,108 | #3,837 |
| 1916 | 46 | — | #1,110 | #4,305 |
| 1915 | 25 | — | #1,722 | #4,208 |
| 1914 | 30 | — | #1,114 | — |
| 1913 | 38 | — | #863 | — |
| 1912 | 27 | — | #996 | — |
| 1911 | 34 | — | #807 | #1,924 |
| 1910 | 19 | — | #1,021 | — |
| 1909 | 11 | — | #1,346 | — |
| 1908 | 23 | — | #821 | — |
| 1907 | 15 | — | #1,026 | — |
| 1906 | 20 | — | #834 | — |
| 1905 | 18 | — | #891 | — |
| 1904 | 16 | — | #926 | — |
| 1903 | 15 | — | #921 | — |
| 1902 | 16 | — | #895 | — |
| 1901 | 17 | — | #817 | — |
| 1900 | 27 | — | #697 | — |
| 1899 | 21 | — | #695 | — |
| 1898 | 14 | — | #949 | — |
| 1897 | 12 | — | #968 | — |
| 1896 | 11 | — | #1,028 | — |
| 1895 | 12 | — | #966 | — |
| 1894 | 12 | — | #933 | — |
| 1893 | 13 | — | #850 | — |
| 1892 | 17 | — | #718 | — |
| 1891 | 6 | — | #1,298 | — |
| 1890 | 7 | — | #1,167 | — |
| 1889 | 9 | — | #939 | — |
| 1888 | 6 | — | #1,240 | — |
| 1887 | 6 | — | #1,114 | — |
| 1886 | 5 | — | #1,225 | — |
| 1884 | 5 | — | #1,117 | — |