Moira is an uncommon girls' name that peaked in 1963 and remains in steady use.
Moira is a girl name. In 2025 it ranked #2,047 for girl births in the United States (and #3,737 across all names), given to 93 babies. Moira first appears in 1913 and peaked in 1963 (144 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 93 | 93 | #2,047 |
| 2024 | 105 | 105 | #1,908 |
| 2023 | 114 | 114 | #1,790 |
| 2022 | 94 | 94 | #2,065 |
| 2021 | 125 | 125 | #1,674 |
| 2020 | 110 | 110 | #1,802 |
| 2019 | 115 | 115 | #1,783 |
| 2018 | 133 | 133 | #1,613 |
| 2017 | 132 | 132 | #1,642 |
| 2016 | 118 | 118 | #1,770 |
| 2015 | 131 | 131 | #1,638 |
| 2014 | 126 | 126 | #1,681 |
| 2013 | 103 | 103 | #1,935 |
| 2012 | 115 | 115 | #1,789 |
| 2011 | 105 | 105 | #1,904 |
| 2010 | 97 | 97 | #2,054 |
| 2009 | 109 | 109 | #1,927 |
| 2008 | 122 | 122 | #1,798 |
| 2007 | 112 | 112 | #1,875 |
| 2006 | 133 | 133 | #1,611 |
| 2005 | 128 | 128 | #1,597 |
| 2004 | 124 | 124 | #1,590 |
| 2003 | 132 | 132 | #1,483 |
| 2002 | 116 | 116 | #1,602 |
| 2001 | 111 | 111 | #1,647 |
| 2000 | 128 | 128 | #1,444 |
| 1999 | 131 | 131 | #1,355 |
| 1998 | 123 | 123 | #1,401 |
| 1997 | 133 | — | #1,311 |
| 1996 | 110 | — | #1,489 |
| 1995 | 124 | — | #1,335 |
| 1994 | 91 | — | #1,658 |
| 1993 | 82 | — | #1,792 |
| 1992 | 75 | — | #1,888 |
| 1991 | 79 | — | #1,811 |
| 1990 | 62 | — | #2,120 |
| 1989 | 51 | — | #2,329 |
| 1988 | 73 | — | #1,749 |
| 1987 | 60 | — | #1,909 |
| 1986 | 59 | — | #1,903 |
| 1985 | 58 | — | #1,919 |
| 1984 | 59 | — | #1,825 |
| 1983 | 71 | — | #1,577 |
| 1982 | 80 | — | #1,503 |
| 1981 | 73 | — | #1,610 |
| 1980 | 70 | — | #1,653 |
| 1979 | 69 | — | #1,638 |
| 1978 | 61 | — | #1,720 |
| 1977 | 70 | — | #1,552 |
| 1976 | 65 | — | #1,558 |
| 1975 | 54 | — | #1,746 |
| 1974 | 59 | — | #1,610 |
| 1973 | 67 | — | #1,447 |
| 1972 | 74 | — | #1,360 |
| 1971 | 86 | — | #1,286 |
| 1970 | 74 | — | #1,416 |
| 1969 | 94 | — | #1,149 |
| 1968 | 111 | — | #997 |
| 1967 | 97 | — | #1,057 |
| 1966 | 110 | — | #981 |
| 1965 | 143 | — | #834 |
| 1964 | 143 | — | #867 |
| 1963 | 144 | — | #877 |
| 1962 | 120 | — | #977 |
| 1961 | 113 | — | #1,026 |
| 1960 | 124 | — | #963 |
| 1959 | 105 | — | #1,043 |
| 1958 | 126 | — | #919 |
| 1957 | 108 | — | #1,007 |
| 1956 | 92 | — | #1,072 |
| 1955 | 102 | — | #992 |
| 1954 | 91 | — | #1,031 |
| 1953 | 80 | — | #1,081 |
| 1952 | 73 | — | #1,103 |
| 1951 | 66 | — | #1,156 |
| 1950 | 38 | — | #1,519 |
| 1949 | 44 | — | #1,401 |
| 1948 | 41 | — | #1,451 |
| 1947 | 32 | — | #1,712 |
| 1946 | 20 | — | #2,136 |
| 1945 | 15 | — | #2,309 |
| 1944 | 18 | — | #2,072 |
| 1943 | 17 | — | #2,213 |
| 1942 | 29 | — | #1,549 |
| 1941 | 20 | — | #1,862 |
| 1940 | 20 | — | #1,828 |
| 1939 | 22 | — | #1,668 |
| 1938 | 12 | — | #2,533 |
| 1937 | 24 | — | #1,567 |
| 1936 | 14 | — | #2,232 |
| 1935 | 19 | — | #1,825 |
| 1934 | 19 | — | #1,817 |
| 1933 | 9 | — | #3,051 |
| 1932 | 6 | — | #4,265 |
| 1931 | 12 | — | #2,533 |
| 1930 | 14 | — | #2,386 |
| 1929 | 11 | — | #2,866 |
| 1928 | 8 | — | #3,659 |
| 1927 | 8 | — | #3,772 |
| 1926 | 8 | — | #3,795 |
| 1925 | 8 | — | #3,924 |
| 1924 | 5 | — | #5,637 |
| 1923 | 6 | — | #4,796 |
| 1922 | 7 | — | #4,314 |
| 1921 | 8 | — | #3,919 |
| 1916 | 6 | — | #4,255 |
| 1913 | 5 | — | #3,542 |