Milly is an uncommon variant of Mila that peaked in 2014 and remains in steady use.
Milly is a girl name. In 2025 it ranked #1,790 for girl births in the United States (and #3,268 across all names), given to 113 babies. Milly first appears in 1884 and peaked in 2014 (129 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 113 | 113 | #1,790 |
| 2024 | 112 | 112 | #1,803 |
| 2023 | 110 | 110 | #1,832 |
| 2022 | 116 | 116 | #1,779 |
| 2021 | 119 | 119 | #1,738 |
| 2020 | 103 | 103 | #1,877 |
| 2019 | 103 | 103 | #1,927 |
| 2018 | 108 | 108 | #1,876 |
| 2017 | 103 | 103 | #1,949 |
| 2016 | 113 | 113 | #1,836 |
| 2015 | 88 | 88 | #2,160 |
| 2014 | 129 | 129 | #1,657 |
| 2013 | 108 | 108 | #1,872 |
| 2012 | 95 | 95 | #2,041 |
| 2011 | 82 | 82 | #2,289 |
| 2010 | 95 | 95 | #2,087 |
| 2009 | 78 | 78 | #2,464 |
| 2008 | 116 | 116 | #1,849 |
| 2007 | 46 | 46 | #3,579 |
| 2006 | 53 | 53 | #3,164 |
| 2005 | 39 | 39 | #3,785 |
| 2004 | 40 | 40 | #3,675 |
| 2003 | 48 | 48 | #3,109 |
| 2002 | 32 | 32 | #4,047 |
| 2001 | 31 | 31 | #4,080 |
| 2000 | 31 | 31 | #4,045 |
| 1999 | 22 | 22 | #4,979 |
| 1998 | 10 | 10 | #9,057 |
| 1997 | 6 | — | #13,189 |
| 1996 | 11 | — | #7,940 |
| 1995 | 12 | — | #7,371 |
| 1994 | 11 | — | #7,971 |
| 1993 | 10 | — | #8,490 |
| 1992 | 12 | — | #7,363 |
| 1991 | 14 | — | #6,475 |
| 1990 | 10 | — | #8,299 |
| 1989 | 7 | — | #10,454 |
| 1988 | 9 | — | #8,153 |
| 1987 | 14 | — | #5,502 |
| 1985 | 14 | — | #5,250 |
| 1984 | 9 | — | #7,197 |
| 1983 | 9 | — | #7,091 |
| 1982 | 5 | — | #11,652 |
| 1981 | 10 | — | #6,648 |
| 1980 | 9 | — | #7,185 |
| 1979 | 8 | — | #7,772 |
| 1977 | 8 | — | #7,314 |
| 1976 | 12 | — | #5,089 |
| 1975 | 13 | — | #4,763 |
| 1973 | 12 | — | #4,750 |
| 1972 | 14 | — | #4,232 |
| 1971 | 6 | — | #7,992 |
| 1970 | 6 | — | #7,665 |
| 1969 | 9 | — | #5,324 |
| 1968 | 8 | — | #5,480 |
| 1967 | 10 | — | #4,518 |
| 1966 | 8 | — | #5,138 |
| 1965 | 11 | — | #4,123 |
| 1964 | 14 | — | #3,635 |
| 1963 | 25 | — | #2,466 |
| 1962 | 14 | — | #3,546 |
| 1961 | 13 | — | #3,735 |
| 1960 | 20 | — | #2,792 |
| 1959 | 18 | — | #2,835 |
| 1958 | 14 | — | #3,336 |
| 1957 | 12 | — | #3,617 |
| 1956 | 12 | — | #3,631 |
| 1955 | 16 | — | #2,922 |
| 1954 | 12 | — | #3,442 |
| 1953 | 9 | — | #4,138 |
| 1952 | 9 | — | #4,025 |
| 1951 | 10 | — | #3,647 |
| 1950 | 11 | — | #3,364 |
| 1949 | 13 | — | #2,954 |
| 1948 | 13 | — | #2,924 |
| 1947 | 8 | — | #4,235 |
| 1946 | 13 | — | #2,839 |
| 1945 | 16 | — | #2,213 |
| 1944 | 7 | — | #3,955 |
| 1943 | 10 | — | #3,187 |
| 1942 | 13 | — | #2,630 |
| 1941 | 14 | — | #2,346 |
| 1940 | 9 | — | #3,135 |
| 1939 | 12 | — | #2,532 |
| 1938 | 12 | — | #2,532 |
| 1937 | 17 | — | #1,972 |
| 1936 | 6 | — | #4,014 |
| 1935 | 17 | — | #1,975 |
| 1934 | 12 | — | #2,526 |
| 1933 | 12 | — | #2,502 |
| 1932 | 12 | — | #2,595 |
| 1931 | 21 | — | #1,724 |
| 1930 | 13 | — | #2,515 |
| 1929 | 18 | — | #1,994 |
| 1928 | 18 | — | #2,069 |
| 1927 | 11 | — | #2,997 |
| 1926 | 15 | — | #2,437 |
| 1925 | 21 | — | #1,925 |
| 1924 | 23 | — | #1,851 |
| 1923 | 21 | — | #1,929 |
| 1922 | 18 | — | #2,165 |
| 1921 | 15 | — | #2,465 |
| 1920 | 17 | — | #2,235 |
| 1919 | 20 | — | #1,903 |
| 1918 | 10 | — | #3,172 |
| 1917 | 8 | — | #3,602 |
| 1916 | 14 | — | #2,331 |
| 1915 | 19 | — | #1,773 |
| 1914 | 10 | — | #2,380 |
| 1913 | 8 | — | #2,476 |
| 1912 | 12 | — | #1,692 |
| 1911 | 5 | — | #2,735 |
| 1910 | 8 | — | #1,886 |
| 1909 | 5 | — | #2,428 |
| 1901 | 5 | — | #1,868 |
| 1898 | 5 | — | #1,875 |
| 1896 | 5 | — | #1,749 |
| 1893 | 6 | — | #1,384 |
| 1892 | 6 | — | #1,402 |
| 1891 | 5 | — | #1,467 |
| 1890 | 5 | — | #1,468 |
| 1886 | 5 | — | #1,223 |
| 1884 | 10 | — | #714 |