Ercia is a very rare variant of Erich that was most common in the 1980s and has all but disappeared.
Ercia is a girl name. It last appears in U.S. records in 1989. Ercia first appears in 1975 and peaked in 1985 (11 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1989 | 8 | — | #8,996 |
| 1988 | 9 | — | #7,900 |
| 1987 | 7 | — | #9,070 |
| 1986 | 6 | — | #9,905 |
| 1985 | 11 | — | #6,163 |
| 1984 | 8 | — | #7,598 |
| 1982 | 8 | — | #7,687 |
| 1980 | 10 | — | #6,437 |
| 1979 | 5 | — | #10,664 |
| 1975 | 8 | — | #6,689 |