Elfa is a girl name. It last appeared in U.S. Social Security records in 1954. Elfa first appears in the data in 1892 and reached its peak in 1915 (7 births). The chart below shows how the name has risen and fallen over time.
| Year | U.S. births | Rank |
|---|---|---|
| 1954 | 5 | #8,747 |
| 1927 | 7 | #6,645 |
| 1925 | 5 | #8,313 |
| 1922 | 7 | #6,922 |
| 1920 | 5 | #8,431 |
| 1918 | 5 | #8,152 |
| 1915 | 7 | #6,017 |
| 1914 | 6 | #5,645 |
| 1913 | 6 | #4,949 |
| 1912 | 5 | #5,114 |
| 1906 | 6 | #2,814 |
| 1900 | 6 | #2,832 |
| 1892 | 6 | #2,310 |