Zailyn is a rare name used for both girls and boys that peaked in 2013 and remains in steady use.
Zailyn is predominantly a girl name. In 2025 it ranked #8,842 among girls (12) and #6,441 among boys (14) — overall #8,835 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 26 | 26 | #8,842 | #6,441 |
| 2024 | 35 | 35 | #6,157 | #6,188 |
| 2023 | 26 | 26 | #9,595 | #6,211 |
| 2022 | 33 | 33 | #7,275 | #5,625 |
| 2021 | 28 | 28 | #7,625 | #6,683 |
| 2020 | 32 | 32 | #6,313 | #6,613 |
| 2019 | 36 | 36 | #5,980 | #6,099 |
| 2018 | 23 | 23 | #6,782 | #14,066 |
| 2017 | 29 | 29 | #7,827 | #6,328 |
| 2016 | 36 | 36 | #5,612 | #7,149 |
| 2015 | 16 | 16 | #10,135 | #14,014 |
| 2014 | 24 | 24 | #8,473 | #8,115 |
| 2013 | 37 | 37 | #5,635 | #6,595 |
| 2012 | 36 | 36 | #6,335 | #5,990 |
| 2011 | 28 | 28 | #6,143 | #12,256 |
| 2010 | 18 | 18 | #9,769 | #12,196 |
| 2009 | 28 | 28 | #7,057 | #8,972 |
| 2008 | 21 | 21 | #8,100 | #14,581 |
| 2007 | 9 | 9 | #12,653 | — |
| 2006 | 5 | 5 | — | #13,991 |
| 2005 | 5 | 5 | #19,155 | — |