| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 1941 | Merri | English | Mirthful; joyous. Also an abbreviation of Meredith. | F | |
| 1942 | Merrie | English | Mirthful; joyous. Also an abbreviation of Meredith. | F | |
| 1943 | Merrilee | English | Mirthful; joyous. Also an abbreviation of Meredith. | F | |
| 1944 | Merry | English | Merry; mirthful; joyous. Also an abbreviation of Meredith. | F | |
| 1945 | Mertice | English | Famous. | F | |
| 1946 | Mertise | English | Famous. | F | |
| 1947 | Mertysa | English | Famous. | F | |
| 1948 | Micaela | English | Feminine of Michael, meaning gift from God. | F | |
| 1949 | Michaela | English | Feminine of Michael, meaning gift from God. | F | |
| 1950 | Mika | English | Abbreviation of Michaela;Micaela; Mikaela; Mikayla; Mychaela; Mikella. Feminine of Michael. meaning gift from God. | F | |
| 1951 | Mikaela | English | Feminine of Michael, meaning gift from God. | F | |
| 1952 | Mikayla | English | Feminine of Michael, meaning gift from God. | F | |
| 1953 | Mikella | English | Feminine of Michael, meaning gift from God. | F | |
| 1954 | Mikelle | English | Feminine of Michael, meaning gift from God. | F | |
| 1955 | Mikki | English | Abbreviation of Michaela;Micaela; Mikaela; Mikayla; Mychaela; Mikella. Feminine of Michael, meaning gift from God. | F | |
| 1956 | Mikko | English | Abbreviation of Michaela;Micaela; Mikaela; Mikayla; Mychaela; Mikella. Feminine of Michael, meaning gift from God. | F | |
| 1957 | Milborough | English | Mild borough or fortress. | F | |
| 1958 | Mildraed | English | Mild of strength. | F | |
| 1959 | Mildred | English | Mild of strength. | F | |
| 1960 | Mildrid | English | Mild of strength. | F | |