Lonny is an uncommon variant of Lonnie that peaked in 1957 and has since faded.
Lonny is predominantly a boy name. In 2025 it ranked #13,153 for boy births in the United States (and #27,047 across all names), given to 5 babies. Lonny was first reported in SSA data in 1920 and peaked in 1957 (213 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 5 | 5 | — | #13,153 |
| 2024 | 5 | 5 | — | #13,462 |
| 2023 | 5 | 5 | — | #13,402 |
| 2021 | 13 | 13 | — | #6,544 |
| 2020 | 5 | 5 | — | #13,302 |
| 2019 | 9 | 9 | — | #8,616 |
| 2017 | 6 | 6 | — | #11,622 |
| 2014 | 8 | 8 | — | #9,300 |
| 2013 | 6 | 6 | — | #11,602 |
| 2012 | 5 | 5 | — | #13,448 |
| 2011 | 6 | 6 | — | #11,719 |
| 2009 | 9 | 9 | — | #8,734 |
| 2008 | 6 | 6 | — | #11,992 |
| 2007 | 11 | 11 | — | #7,415 |
| 2006 | 9 | 9 | — | #8,471 |
| 2005 | 8 | 8 | — | #8,790 |
| 2004 | 9 | 9 | — | #7,935 |
| 2003 | 14 | 14 | — | #5,440 |
| 2002 | 12 | 12 | — | #5,933 |
| 2001 | 5 | 5 | — | #11,640 |
| 2000 | 15 | 15 | — | #4,946 |
| 1999 | 8 | 8 | — | #7,582 |
| 1998 | 7 | 7 | — | #8,110 |
| 1997 | 13 | — | — | #4,841 |
| 1996 | 6 | — | — | #8,571 |
| 1995 | 14 | — | — | #4,421 |
| 1994 | 12 | — | — | #4,996 |
| 1993 | 19 | — | — | #3,452 |
| 1992 | 17 | — | — | #3,687 |
| 1991 | 20 | — | — | #3,184 |
| 1990 | 40 | — | — | #1,927 |
| 1989 | 25 | — | — | #2,582 |
| 1988 | 37 | — | — | #1,835 |
| 1987 | 29 | — | — | #2,094 |
| 1986 | 31 | — | — | #1,947 |
| 1985 | 26 | — | — | #2,155 |
| 1984 | 34 | — | — | #1,707 |
| 1983 | 38 | — | — | #1,579 |
| 1982 | 49 | — | #11,496 | #1,457 |
| 1981 | 51 | — | — | #1,301 |
| 1980 | 67 | — | — | #1,109 |
| 1979 | 70 | — | — | #1,066 |
| 1978 | 69 | — | — | #1,054 |
| 1977 | 93 | — | — | #878 |
| 1976 | 84 | — | — | #909 |
| 1975 | 101 | — | — | #830 |
| 1974 | 93 | — | — | #836 |
| 1973 | 106 | — | — | #774 |
| 1972 | 144 | — | — | #670 |
| 1971 | 133 | — | — | #718 |
| 1970 | 159 | — | — | #648 |
| 1969 | 164 | — | #7,095 | #628 |
| 1968 | 205 | — | — | #533 |
| 1967 | 144 | — | — | #627 |
| 1966 | 209 | — | — | #527 |
| 1965 | 159 | — | — | #607 |
| 1964 | 196 | — | #4,822 | #578 |
| 1963 | 196 | — | #7,185 | #569 |
| 1962 | 162 | — | — | #608 |
| 1961 | 197 | — | — | #559 |
| 1960 | 161 | — | #6,090 | #628 |
| 1959 | 186 | — | — | #574 |
| 1958 | 192 | — | #6,617 | #565 |
| 1957 | 213 | — | — | #532 |
| 1956 | 167 | — | #4,336 | #606 |
| 1955 | 157 | — | — | #586 |
| 1954 | 156 | — | — | #592 |
| 1953 | 145 | — | — | #603 |
| 1952 | 110 | — | #6,048 | #679 |
| 1951 | 134 | — | — | #605 |
| 1950 | 141 | — | #5,046 | #585 |
| 1949 | 124 | — | — | #611 |
| 1948 | 151 | — | — | #542 |
| 1947 | 125 | — | — | #610 |
| 1946 | 95 | — | — | #667 |
| 1945 | 84 | — | — | #661 |
| 1944 | 83 | — | — | #684 |
| 1943 | 79 | — | — | #728 |
| 1942 | 75 | — | — | #743 |
| 1941 | 69 | — | — | #749 |
| 1940 | 71 | — | — | #727 |
| 1939 | 69 | — | — | #721 |
| 1938 | 59 | — | — | #811 |
| 1937 | 29 | — | — | #1,254 |
| 1936 | 17 | — | — | #1,697 |
| 1935 | 17 | — | — | #1,735 |
| 1934 | 14 | — | — | #1,984 |
| 1933 | 11 | — | — | #2,307 |
| 1932 | 11 | — | — | #2,404 |
| 1931 | 6 | — | — | #3,613 |
| 1930 | 13 | — | — | #2,248 |
| 1929 | 6 | — | — | #3,793 |
| 1928 | 8 | — | — | #3,255 |
| 1927 | 9 | — | — | #3,055 |
| 1925 | 10 | — | — | #2,861 |
| 1924 | 5 | — | — | #4,715 |
| 1922 | 8 | — | — | #3,424 |
| 1920 | 5 | — | — | #4,686 |