Eryn is an uncommon variant of Erin that peaked in 2000 and has since faded.
Eryn is predominantly a girl name. In 2025 it ranked #3,484 among girls (44) and #9,159 among boys (8) — overall #5,496 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 52 | 52 | #3,484 | #9,159 |
| 2024 | 59 | 59 | #2,833 | — |
| 2023 | 64 | 64 | #2,710 | — |
| 2022 | 61 | 61 | #2,800 | — |
| 2021 | 94 | 94 | #2,137 | #11,171 |
| 2020 | 92 | 92 | #2,108 | #12,628 |
| 2019 | 84 | 84 | #2,208 | — |
| 2018 | 116 | 116 | #1,763 | — |
| 2017 | 116 | 116 | #1,866 | #10,018 |
| 2016 | 116 | 116 | #1,788 | — |
| 2015 | 123 | 123 | #1,713 | — |
| 2014 | 143 | 143 | #1,608 | #8,349 |
| 2013 | 131 | 131 | #1,636 | — |
| 2012 | 100 | 100 | #1,958 | — |
| 2011 | 171 | 171 | #1,350 | — |
| 2010 | 157 | 157 | #1,449 | — |
| 2009 | 150 | 150 | #1,576 | #10,183 |
| 2008 | 163 | 163 | #1,482 | #13,143 |
| 2007 | 212 | 212 | #1,233 | #7,248 |
| 2006 | 171 | 171 | #1,355 | — |
| 2005 | 189 | 189 | #1,237 | #11,985 |
| 2004 | 222 | 222 | #1,043 | — |
| 2003 | 235 | 235 | #1,003 | #11,426 |
| 2002 | 219 | 219 | #1,025 | #8,737 |
| 2001 | 258 | 258 | #911 | #6,607 |
| 2000 | 263 | 263 | #855 | #9,474 |
| 1999 | 215 | 215 | #962 | — |
| 1998 | 232 | 232 | #925 | #8,820 |
| 1997 | 244 | — | #869 | #6,250 |
| 1996 | 201 | — | #974 | #9,456 |
| 1995 | 231 | — | #848 | — |
| 1994 | 188 | — | #1,029 | #6,547 |
| 1993 | 206 | — | #945 | #7,953 |
| 1992 | 181 | — | #1,054 | #6,914 |
| 1991 | 174 | — | #1,050 | — |
| 1990 | 198 | — | #973 | #7,457 |
| 1989 | 156 | — | #1,112 | #6,433 |
| 1988 | 154 | — | #1,086 | #4,917 |
| 1987 | 124 | — | #1,180 | — |
| 1986 | 131 | — | #1,150 | #5,515 |
| 1985 | 103 | — | #1,299 | — |
| 1984 | 82 | — | #1,419 | — |
| 1983 | 110 | — | #1,213 | #6,566 |
| 1982 | 117 | — | #1,173 | — |
| 1981 | 106 | — | #1,231 | — |
| 1980 | 80 | — | #1,497 | — |
| 1979 | 92 | — | #1,340 | — |
| 1978 | 73 | — | #1,525 | — |
| 1977 | 75 | — | #1,472 | — |
| 1976 | 75 | — | #1,516 | #4,567 |
| 1975 | 59 | — | #1,645 | — |
| 1974 | 46 | — | #1,885 | — |
| 1973 | 32 | — | #2,368 | — |
| 1972 | 21 | — | #3,095 | — |
| 1971 | 24 | — | #2,890 | — |
| 1970 | 21 | — | #3,143 | — |
| 1969 | 18 | — | #3,235 | — |
| 1968 | 19 | — | #2,992 | — |
| 1967 | 7 | — | #5,637 | — |
| 1966 | 5 | — | #6,876 | — |
| 1965 | 6 | — | #6,015 | — |
| 1961 | 8 | — | #5,013 | — |
| 1959 | 6 | — | #5,763 | — |
| 1957 | 7 | — | #5,053 | — |