Lasonja is a rare girls' name that was most common in the 1970s and has all but disappeared.
Lasonja is a girl name. It last appears in U.S. records in 1995. Lasonja was first reported in SSA data in 1961 and peaked in 1970 (32 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1995 | 5 | — | #14,714 |
| 1994 | 6 | — | #12,687 |
| 1992 | 6 | — | #12,630 |
| 1991 | 5 | — | #14,367 |
| 1987 | 10 | — | #7,090 |
| 1986 | 6 | — | #10,226 |
| 1984 | 11 | — | #6,106 |
| 1983 | 6 | — | #9,649 |
| 1982 | 12 | — | #5,738 |
| 1981 | 14 | — | #5,109 |
| 1980 | 16 | — | #4,634 |
| 1979 | 9 | — | #7,037 |
| 1978 | 12 | — | #5,379 |
| 1977 | 22 | — | #3,437 |
| 1976 | 13 | — | #4,771 |
| 1975 | 28 | — | #2,710 |
| 1974 | 18 | — | #3,628 |
| 1973 | 32 | — | #2,381 |
| 1972 | 31 | — | #2,377 |
| 1971 | 32 | — | #2,402 |
| 1970 | 32 | — | #2,376 |
| 1969 | 28 | — | #2,482 |
| 1968 | 26 | — | #2,460 |
| 1967 | 18 | — | #3,011 |
| 1966 | 16 | — | #3,208 |
| 1965 | 13 | — | #3,648 |
| 1964 | 11 | — | #4,227 |
| 1963 | 9 | — | #4,717 |
| 1961 | 5 | — | #7,083 |