The baby name Lonnie appears in baby name data for the United States from 1910 to 2024. It was most popular in 1948 with 2,915 babies given the name.
In the later years of this period, Lonnie has become less common than it once was.
| Year | Count |
|---|---|
| 1910 | 53 |
| 1910 | 306 |
| 1911 | 14 |
| 1911 | 324 |
| 1912 | 36 |
| 1912 | 387 |
| 1913 | 42 |
| 1913 | 398 |
| 1914 | 49 |
| 1914 | 557 |
| 1915 | 74 |
| 1915 | 642 |
| 1916 | 60 |
| 1916 | 754 |
| 1917 | 67 |
| 1917 | 877 |
| 1918 | 82 |
| 1918 | 945 |
| 1919 | 67 |
| 1919 | 861 |
| 1920 | 82 |
| 1920 | 1,067 |
| 1921 | 58 |
| 1921 | 949 |
| 1922 | 91 |
| 1922 | 989 |
| 1923 | 37 |
| 1923 | 936 |
| 1924 | 71 |
| 1924 | 1,021 |
| 1925 | 129 |
| 1925 | 998 |
| 1926 | 70 |
| 1926 | 1,024 |
| 1927 | 92 |
| 1927 | 988 |
| 1928 | 89 |
| 1928 | 1,010 |
| 1929 | 109 |
| 1929 | 1,058 |
| 1930 | 88 |
| 1930 | 1,283 |
| 1931 | 88 |
| 1931 | 1,035 |
| 1932 | 55 |
| 1932 | 927 |
| 1933 | 79 |
| 1933 | 918 |
| 1934 | 72 |
| 1934 | 921 |
| 1935 | 75 |
| 1935 | 982 |
| 1936 | 81 |
| 1936 | 984 |
| 1937 | 79 |
| 1937 | 1,152 |
| 1938 | 54 |
| 1938 | 1,200 |
| 1939 | 62 |
| 1939 | 1,372 |
| 1940 | 87 |
| 1940 | 1,550 |
| 1941 | 38 |
| 1941 | 1,696 |
| 1942 | 30 |
| 1942 | 1,756 |
| 1943 | 54 |
| 1943 | 1,822 |
| 1944 | 50 |
| 1944 | 1,824 |
| 1945 | 75 |
| 1945 | 1,911 |
| 1946 | 100 |
| 1946 | 2,188 |
| 1947 | 84 |
| 1947 | 2,554 |
| 1948 | 110 |
| 1948 | 2,915 |
| 1949 | 45 |
| 1949 | 2,783 |
| 1950 | 74 |
| 1950 | 2,727 |
| 1951 | 60 |
| 1951 | 2,511 |
| 1952 | 104 |
| 1952 | 2,400 |
| 1953 | 64 |
| 1953 | 2,690 |
| 1954 | 32 |
| 1954 | 2,395 |
| 1955 | 43 |
| 1955 | 2,763 |
| 1956 | 65 |
| 1956 | 2,779 |
| 1957 | 77 |
| 1957 | 2,680 |
| 1958 | 53 |
| 1958 | 2,377 |
| 1959 | 46 |
| 1959 | 2,337 |
| 1960 | 28 |
| 1960 | 2,282 |
| 1961 | 28 |
| 1961 | 2,027 |
| 1962 | 37 |
| 1962 | 2,094 |
| 1963 | 40 |
| 1963 | 2,172 |
| 1964 | 24 |
| 1964 | 2,167 |
| 1965 | 20 |
| 1965 | 2,094 |
| 1966 | 1,866 |
| 1967 | 1,754 |
| 1968 | 6 |
| 1968 | 1,877 |
| 1969 | 18 |
| 1969 | 1,843 |
| 1970 | 11 |
| 1970 | 1,762 |
| 1971 | 5 |
| 1971 | 1,605 |
| 1972 | 5 |
| 1972 | 1,346 |
| 1973 | 13 |
| 1973 | 1,176 |
| 1974 | 1,100 |
| 1975 | 994 |
| 1976 | 1,076 |
| 1977 | 1,116 |
| 1978 | 826 |
| 1979 | 829 |
| 1980 | 820 |
| 1981 | 694 |
| 1982 | 720 |
| 1983 | 585 |
| 1984 | 531 |
| 1985 | 517 |
| 1986 | 429 |
| 1987 | 421 |
| 1988 | 424 |
| 1989 | 452 |
| 1990 | 375 |
| 1991 | 439 |
| 1992 | 376 |
| 1993 | 330 |
| 1994 | 370 |
| 1995 | 262 |
| 1996 | 235 |
| 1997 | 178 |
| 1998 | 180 |
| 1999 | 192 |
| 2000 | 163 |
| 2001 | 211 |
| 2002 | 137 |
| 2003 | 124 |
| 2004 | 168 |
| 2005 | 173 |
| 2006 | 165 |
| 2007 | 76 |
| 2008 | 160 |
| 2009 | 109 |
| 2010 | 118 |
| 2011 | 88 |
| 2012 | 81 |
| 2013 | 79 |
| 2014 | 87 |
| 2015 | 115 |
| 2016 | 54 |
| 2017 | 64 |
| 2018 | 52 |
| 2019 | 62 |
| 2020 | 76 |
| 2021 | 37 |
| 2022 | 34 |
| 2023 | 35 |
| 2024 | 22 |