Billi is a rare variant of Billie that peaked in 1976 and has since faded.
Billi is predominantly a girl name. It last appears in U.S. records in 2020. Billi first appears in 1915 and peaked in 1976 (84 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2020 | 6 | 6 | #13,738 | — |
| 2019 | 8 | 8 | #11,540 | — |
| 2017 | 5 | 5 | #16,283 | — |
| 2016 | 7 | 7 | #13,119 | — |
| 2015 | 8 | 8 | #12,017 | — |
| 2014 | 6 | 6 | #14,876 | — |
| 2013 | 7 | 7 | #13,406 | — |
| 2012 | 5 | 5 | #17,319 | — |
| 2011 | 7 | 7 | #13,592 | — |
| 2010 | 5 | 5 | #17,443 | — |
| 2009 | 5 | 5 | #17,737 | — |
| 2007 | 5 | 5 | #18,061 | — |
| 2006 | 5 | 5 | — | #12,257 |
| 2005 | 9 | 9 | #11,060 | — |
| 2004 | 8 | 8 | #11,774 | — |
| 2003 | 11 | 11 | #9,143 | — |
| 2002 | 10 | 10 | #9,591 | — |
| 2001 | 9 | 9 | #10,230 | — |
| 2000 | 9 | 9 | #10,015 | — |
| 1999 | 15 | 15 | #6,542 | — |
| 1998 | 19 | 19 | #5,398 | — |
| 1997 | 11 | — | #7,827 | — |
| 1996 | 21 | — | #4,753 | — |
| 1995 | 17 | — | #5,475 | — |
| 1994 | 25 | — | #4,130 | — |
| 1993 | 20 | — | #4,848 | — |
| 1992 | 18 | — | #5,292 | — |
| 1991 | 23 | — | #4,351 | — |
| 1990 | 15 | — | #5,861 | — |
| 1989 | 18 | — | #4,878 | — |
| 1988 | 17 | — | #4,870 | — |
| 1987 | 22 | — | #3,869 | — |
| 1986 | 28 | — | #3,209 | — |
| 1985 | 19 | — | #4,140 | — |
| 1984 | 30 | — | #2,921 | — |
| 1983 | 36 | — | #2,519 | — |
| 1982 | 42 | — | #2,328 | — |
| 1981 | 57 | — | #1,888 | — |
| 1980 | 51 | — | #2,045 | — |
| 1979 | 43 | — | #2,250 | — |
| 1978 | 57 | — | #1,783 | — |
| 1977 | 55 | — | #1,835 | — |
| 1976 | 84 | — | #1,297 | — |
| 1975 | 63 | — | #1,571 | — |
| 1974 | 77 | — | #1,353 | — |
| 1973 | 64 | — | #1,481 | — |
| 1972 | 64 | — | #1,488 | — |
| 1971 | 81 | — | #1,322 | — |
| 1970 | 55 | — | #1,682 | — |
| 1969 | 51 | — | #1,689 | — |
| 1968 | 39 | — | #1,911 | — |
| 1967 | 37 | — | #1,924 | — |
| 1966 | 40 | — | #1,799 | — |
| 1965 | 30 | — | #2,159 | — |
| 1964 | 21 | — | #2,756 | — |
| 1963 | 18 | — | #2,965 | — |
| 1962 | 18 | — | #2,932 | — |
| 1961 | 15 | — | #3,330 | — |
| 1960 | 11 | — | #3,938 | — |
| 1959 | 17 | — | #2,875 | — |
| 1958 | 21 | — | #2,510 | — |
| 1957 | 19 | — | #2,662 | — |
| 1956 | 19 | — | #2,632 | — |
| 1955 | 8 | — | #4,401 | — |
| 1954 | 11 | — | #3,506 | — |
| 1953 | 19 | — | #2,435 | — |
| 1952 | 14 | — | #2,926 | — |
| 1951 | 12 | — | #3,122 | — |
| 1950 | 9 | — | #3,689 | — |
| 1949 | 6 | — | #4,725 | — |
| 1948 | 8 | — | #3,919 | — |
| 1945 | 6 | — | #4,069 | — |
| 1944 | 5 | — | #4,633 | — |
| 1942 | 5 | — | #4,692 | — |
| 1915 | 5 | — | #4,355 | — |