Every name given to at least five babies in Colorado in 2009, ranked. Isabella led for girls and Alexander for boys.
| Name | Births | |
|---|---|---|
| 1 | Isabella | 352 |
| 2 | Olivia | 323 |
| 3 | Sophia | 262 |
| 4 | Abigail | 251 |
| 5 | Emma | 240 |
| 6 | Ava | 228 |
| 7 | Emily | 220 |
| 8 | Addison | 209 |
| 9 | Elizabeth | 203 |
| 10 | Madison | 184 |
| 11 | Mia | 182 |
| 12 | Ella | 179 |
| 13 | Samantha | 177 |
| 14 | Lily | 173 |
| 15 | Chloe | 170 |
| 16 | Alexis | 167 |
| 17 | Grace | 161 |
| 18 | Taylor | 155 |
| 19 | Hailey | 142 |
| 20 | Avery | 141 |
| 21 | Natalie | 140 |
| 22 | Ashley | 128 |
| 23 | Evelyn | 128 |
| 24 | Hannah | 121 |
| 25 | Zoe | 121 |
| 26 | Alyssa | 120 |
| 27 | Allison | 119 |
| 28 | Brianna | 115 |
| 29 | Lillian | 113 |
| 30 | Nevaeh | 108 |
| 31 | Sarah | 107 |
| 32 | Brooklyn | 106 |
| 33 | Sydney | 106 |
| 34 | Anna | 105 |
| 35 | Charlotte | 104 |
| 36 | Bella | 103 |
| 37 | Valeria | 103 |
| 38 | Claire | 100 |
| 39 | Kaylee | 100 |
| 40 | Riley | 100 |
| 41 | Alexa | 99 |
| 42 | Maya | 94 |
| 43 | Bailey | 89 |
| 44 | Amelia | 88 |
| 45 | Brooke | 87 |
| 46 | Madeline | 86 |
| 47 | Peyton | 86 |
| 48 | Arianna | 84 |
| 49 | Victoria | 84 |
| 50 | Sofia | 83 |
| Name | Births | |
|---|---|---|
| 1 | Alexander | 342 |
| 2 | Jacob | 323 |
| 3 | Noah | 311 |
| 4 | William | 303 |
| 5 | Benjamin | 288 |
| 6 | Ethan | 280 |
| 7 | Logan | 280 |
| 8 | Daniel | 265 |
| 9 | David | 256 |
| 10 | Joshua | 256 |
| 11 | Jackson | 253 |
| 12 | Anthony | 247 |
| 13 | Aiden | 240 |
| 14 | Michael | 230 |
| 15 | Jack | 222 |
| 16 | James | 222 |
| 17 | Isaac | 221 |
| 18 | Elijah | 219 |
| 19 | Christopher | 218 |
| 20 | Joseph | 218 |
| 21 | Samuel | 218 |
| 22 | Matthew | 215 |
| 23 | Andrew | 214 |
| 24 | Ryan | 211 |
| 25 | Liam | 210 |
| 26 | Gabriel | 206 |
| 27 | Jayden | 204 |
| 28 | Mason | 203 |
| 29 | Tyler | 200 |
| 30 | Caleb | 192 |
| 31 | Angel | 187 |
| 32 | Wyatt | 184 |
| 33 | Evan | 183 |
| 34 | Gavin | 179 |
| 35 | Nathan | 179 |
| 36 | Landon | 176 |
| 37 | Owen | 174 |
| 38 | John | 168 |
| 39 | Dylan | 164 |
| 40 | Brandon | 151 |
| 41 | Cooper | 151 |
| 42 | Juan | 151 |
| 43 | Luke | 149 |
| 44 | Connor | 148 |
| 45 | Jonathan | 148 |
| 46 | Christian | 147 |
| 47 | Nicholas | 145 |
| 48 | Adrian | 143 |
| 49 | Isaiah | 143 |
| 50 | Jose | 141 |
Source: US Social Security Administration state files. Names given to fewer than five babies in a state-year are withheld by the SSA for privacy.