The baby name Lacy appears in baby name data for the United States from 1910 to 2024. It was most popular in 1983 with 1,234 babies given the name.
In the later years of this period, Lacy has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1910 | 5 |
| 1910 | 26 |
| 1911 | 16 |
| 1912 | 7 |
| 1912 | 56 |
| 1913 | 10 |
| 1913 | 44 |
| 1914 | 6 |
| 1914 | 76 |
| 1915 | 6 |
| 1915 | 87 |
| 1916 | 12 |
| 1916 | 130 |
| 1917 | 5 |
| 1917 | 132 |
| 1918 | 7 |
| 1918 | 137 |
| 1919 | 21 |
| 1919 | 102 |
| 1920 | 15 |
| 1920 | 137 |
| 1921 | 9 |
| 1921 | 156 |
| 1922 | 13 |
| 1922 | 160 |
| 1923 | 13 |
| 1923 | 139 |
| 1924 | 153 |
| 1925 | 36 |
| 1925 | 149 |
| 1926 | 148 |
| 1927 | 20 |
| 1927 | 164 |
| 1928 | 120 |
| 1929 | 146 |
| 1930 | 157 |
| 1931 | 99 |
| 1932 | 28 |
| 1932 | 144 |
| 1933 | 127 |
| 1934 | 142 |
| 1935 | 126 |
| 1936 | 116 |
| 1937 | 153 |
| 1938 | 62 |
| 1939 | 113 |
| 1940 | 105 |
| 1941 | 121 |
| 1942 | 10 |
| 1942 | 135 |
| 1943 | 136 |
| 1944 | 10 |
| 1944 | 114 |
| 1945 | 80 |
| 1946 | 113 |
| 1947 | 152 |
| 1948 | 113 |
| 1949 | 105 |
| 1950 | 139 |
| 1951 | 78 |
| 1952 | 99 |
| 1953 | 97 |
| 1954 | 56 |
| 1955 | 61 |
| 1956 | 49 |
| 1957 | 5 |
| 1957 | 42 |
| 1958 | 26 |
| 1959 | 53 |
| 1960 | 5 |
| 1960 | 34 |
| 1961 | 8 |
| 1961 | 9 |
| 1962 | 35 |
| 1963 | 35 |
| 1964 | 18 |
| 1965 | 30 |
| 1966 | 10 |
| 1967 | 6 |
| 1967 | 27 |
| 1968 | 62 |
| 1969 | 15 |
| 1969 | 26 |
| 1970 | 19 |
| 1970 | 11 |
| 1971 | 6 |
| 1971 | 15 |
| 1972 | 32 |
| 1972 | 16 |
| 1973 | 17 |
| 1973 | 14 |
| 1974 | 18 |
| 1974 | 14 |
| 1975 | 204 |
| 1975 | 10 |
| 1976 | 118 |
| 1976 | 20 |
| 1977 | 136 |
| 1978 | 515 |
| 1978 | 8 |
| 1979 | 514 |
| 1979 | 36 |
| 1980 | 640 |
| 1980 | 12 |
| 1981 | 1,011 |
| 1982 | 1,188 |
| 1982 | 5 |
| 1983 | 1,234 |
| 1983 | 18 |
| 1984 | 1,100 |
| 1984 | 5 |
| 1985 | 1,150 |
| 1985 | 20 |
| 1986 | 1,137 |
| 1986 | 12 |
| 1987 | 1,115 |
| 1988 | 1,008 |
| 1988 | 19 |
| 1989 | 1,013 |
| 1989 | 6 |
| 1990 | 764 |
| 1990 | 5 |
| 1991 | 897 |
| 1992 | 641 |
| 1992 | 10 |
| 1993 | 553 |
| 1994 | 441 |
| 1995 | 322 |
| 1996 | 305 |
| 1997 | 300 |
| 1998 | 240 |
| 1999 | 181 |
| 2000 | 159 |
| 2001 | 201 |
| 2002 | 134 |
| 2003 | 301 |
| 2003 | 10 |
| 2004 | 293 |
| 2005 | 302 |
| 2006 | 275 |
| 2007 | 285 |
| 2008 | 203 |
| 2009 | 183 |
| 2010 | 117 |
| 2011 | 105 |
| 2012 | 43 |
| 2013 | 105 |
| 2014 | 99 |
| 2015 | 128 |
| 2016 | 48 |
| 2017 | 43 |
| 2018 | 29 |
| 2019 | 13 |
| 2020 | 20 |
| 2021 | 42 |
| 2022 | 33 |
| 2023 | 14 |
| 2024 | 17 |