Cecily is an uncommon variant of Cecilia that peaked in 1989 and has grown less common since.
Cecily is a girl name. In 2025 it ranked #1,541 for girl births in the United States (and #2,858 across all names), given to 137 babies. Cecily first appears in 1911 and peaked in 1989 (472 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 137 | 137 | #1,541 |
| 2024 | 131 | 131 | #1,601 |
| 2023 | 111 | 111 | #1,816 |
| 2022 | 131 | 131 | #1,615 |
| 2021 | 127 | 127 | #1,644 |
| 2020 | 131 | 131 | #1,595 |
| 2019 | 161 | 161 | #1,396 |
| 2018 | 141 | 141 | #1,544 |
| 2017 | 191 | 191 | #1,244 |
| 2016 | 196 | 196 | #1,243 |
| 2015 | 214 | 214 | #1,176 |
| 2014 | 244 | 244 | #1,061 |
| 2013 | 170 | 170 | #1,372 |
| 2012 | 114 | 114 | #1,794 |
| 2011 | 104 | 104 | #1,914 |
| 2010 | 98 | 98 | #2,031 |
| 2009 | 109 | 109 | #1,920 |
| 2008 | 112 | 112 | #1,893 |
| 2007 | 99 | 99 | #2,061 |
| 2006 | 119 | 119 | #1,744 |
| 2005 | 101 | 101 | #1,914 |
| 2004 | 88 | 88 | #2,071 |
| 2003 | 100 | 100 | #1,848 |
| 2002 | 87 | 87 | #2,006 |
| 2001 | 98 | 98 | #1,808 |
| 2000 | 96 | 96 | #1,801 |
| 1999 | 108 | 108 | #1,560 |
| 1998 | 112 | 112 | #1,510 |
| 1997 | 127 | — | #1,352 |
| 1996 | 132 | — | #1,307 |
| 1995 | 143 | — | #1,202 |
| 1994 | 117 | — | #1,393 |
| 1993 | 117 | — | #1,390 |
| 1992 | 134 | — | #1,274 |
| 1991 | 189 | — | #991 |
| 1990 | 403 | — | #575 |
| 1989 | 472 | — | #498 |
| 1988 | 236 | — | #793 |
| 1987 | 150 | — | #1,033 |
| 1986 | 49 | — | #2,149 |
| 1985 | 62 | — | #1,814 |
| 1984 | 58 | — | #1,837 |
| 1983 | 58 | — | #1,817 |
| 1982 | 57 | — | #1,878 |
| 1981 | 73 | — | #1,599 |
| 1980 | 73 | — | #1,585 |
| 1979 | 86 | — | #1,421 |
| 1978 | 96 | — | #1,277 |
| 1977 | 94 | — | #1,269 |
| 1976 | 81 | — | #1,331 |
| 1975 | 110 | — | #1,068 |
| 1974 | 130 | — | #951 |
| 1973 | 114 | — | #1,028 |
| 1972 | 55 | — | #1,632 |
| 1971 | 55 | — | #1,666 |
| 1970 | 61 | — | #1,571 |
| 1969 | 55 | — | #1,610 |
| 1968 | 32 | — | #2,131 |
| 1967 | 40 | — | #1,853 |
| 1966 | 44 | — | #1,702 |
| 1965 | 41 | — | #1,771 |
| 1964 | 38 | — | #1,922 |
| 1963 | 37 | — | #1,925 |
| 1962 | 36 | — | #1,919 |
| 1961 | 55 | — | #1,520 |
| 1960 | 47 | — | #1,640 |
| 1959 | 66 | — | #1,318 |
| 1958 | 41 | — | #1,680 |
| 1957 | 53 | — | #1,461 |
| 1956 | 43 | — | #1,618 |
| 1955 | 50 | — | #1,426 |
| 1954 | 51 | — | #1,412 |
| 1953 | 50 | — | #1,375 |
| 1952 | 52 | — | #1,337 |
| 1951 | 35 | — | #1,614 |
| 1950 | 42 | — | #1,414 |
| 1949 | 47 | — | #1,338 |
| 1948 | 36 | — | #1,551 |
| 1947 | 30 | — | #1,760 |
| 1946 | 35 | — | #1,481 |
| 1945 | 28 | — | #1,549 |
| 1944 | 26 | — | #1,615 |
| 1943 | 21 | — | #1,907 |
| 1942 | 41 | — | #1,249 |
| 1941 | 11 | — | #2,693 |
| 1940 | 12 | — | #2,445 |
| 1939 | 22 | — | #1,647 |
| 1938 | 20 | — | #1,762 |
| 1937 | 17 | — | #1,927 |
| 1936 | 25 | — | #1,485 |
| 1935 | 17 | — | #1,935 |
| 1934 | 17 | — | #1,931 |
| 1933 | 11 | — | #2,565 |
| 1932 | 14 | — | #2,256 |
| 1931 | 11 | — | #2,604 |
| 1930 | 14 | — | #2,324 |
| 1929 | 10 | — | #2,950 |
| 1928 | 11 | — | #2,795 |
| 1927 | 17 | — | #2,183 |
| 1926 | 13 | — | #2,589 |
| 1925 | 9 | — | #3,404 |
| 1924 | 14 | — | #2,539 |
| 1923 | 12 | — | #2,756 |
| 1922 | 13 | — | #2,634 |
| 1921 | 7 | — | #4,086 |
| 1920 | 11 | — | #2,928 |
| 1919 | 11 | — | #2,841 |
| 1917 | 10 | — | #2,917 |
| 1916 | 5 | — | #4,524 |
| 1911 | 5 | — | #2,528 |