Unk is a boy name. It last appeared in U.S. Social Security records in 1998. Unk first appears in the data in 1950 and reached its peak in 1992 (12 births). The chart below shows how the name has risen and fallen over time.
| Year | U.S. births | Rank |
|---|---|---|
| 1998 | 6 | #19,770 |
| 1996 | 6 | #18,742 |
| 1995 | 9 | #13,973 |
| 1992 | 12 | #11,214 |
| 1990 | 6 | #17,585 |
| 1972 | 5 | #12,756 |
| 1967 | 5 | #10,519 |
| 1950 | 5 | #9,213 |