Rook is a rare variant of Rocky that has climbed to its highest level yet, peaking in 2025.
Rook is predominantly a boy name. In 2025 it ranked #1,972 among boys (78) and #9,977 among girls (10) — overall #3,884 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 88 | 88 | #9,977 | #1,972 |
| 2024 | 67 | 67 | #13,197 | #2,362 |
| 2023 | 79 | 79 | #11,990 | #2,091 |
| 2022 | 53 | 53 | — | #2,585 |
| 2021 | 45 | 45 | — | #2,810 |
| 2020 | 36 | 36 | — | #3,191 |
| 2019 | 48 | 48 | — | #2,684 |
| 2018 | 35 | 35 | #17,653 | #3,684 |
| 2017 | 36 | 36 | #17,945 | #3,572 |
| 2016 | 30 | 30 | — | #3,664 |
| 2015 | 38 | 38 | — | #3,075 |
| 2014 | 40 | 40 | — | #2,922 |
| 2013 | 30 | 30 | — | #3,564 |
| 2012 | 25 | 25 | — | #4,103 |
| 2011 | 20 | 20 | — | #4,792 |
| 2010 | 20 | 20 | — | #4,808 |
| 2009 | 5 | 5 | — | #14,084 |
| 2008 | 14 | 14 | — | #6,335 |
| 2007 | 8 | 8 | — | #9,589 |
| 2006 | 8 | 8 | — | #9,399 |
| 2005 | 7 | 7 | — | #9,926 |
| 2004 | 6 | 6 | — | #11,069 |
| 2003 | 6 | 6 | — | #10,608 |
| 2001 | 6 | 6 | — | #10,301 |