Dag is a boy name. It last appeared in U.S. Social Security records in 1971. Dag first appears in the data in 1961 and reached its peak in 1962 (12 births). The chart below shows how the name has risen and fallen over time.
| Year | U.S. births | Rank |
|---|---|---|
| 1971 | 6 | #11,438 |
| 1970 | 5 | #12,560 |
| 1969 | 5 | #11,781 |
| 1968 | 5 | #11,205 |
| 1966 | 10 | #6,673 |
| 1965 | 6 | #9,286 |
| 1963 | 6 | #9,511 |
| 1962 | 12 | #6,038 |
| 1961 | 6 | #9,597 |