Boys name
Colby
Colby is a boys' name given to 51,415 boys in the United States since 1917, peaking in 2001 with 3,852 births. It has appeared in 50 states, and reached its highest rank of 15th among boys names in Maine in 2003.
Which states favor Colby
Colby by state
Top states by all-time births named Colby. States with a full trend page are linked; the rest show all-time totals from the same SSA data.
| Rank | State | All-time births | Latest |
|---|---|---|---|
| 1 | Texas | 5,752 | #881 (2025) |
| 2 | California | 3,526 | #885 (2025) |
| 3 | Florida | 2,248 | #817 (2025) |
| 4 | North Carolina | 2,192 | #476 (2025) |
| 5 | Pennsylvania | 2,112 | #402 (2025) |
| 6 | Georgia | 1,995 | — |
| 7 | Louisiana | 1,902 | — |
| 8 | Utah | 1,790 | — |
| 9 | Washington | 1,682 | — |
| 10 | Tennessee | 1,586 | — |
| 11 | Massachusetts | 1,536 | — |
| 12 | Missouri | 1,504 | — |
| 13 | Alabama | 1,450 | — |
| 14 | New York | 1,427 | — |
| 15 | Oklahoma | 1,348 | — |
| 16 | Virginia | 1,331 | — |
| 17 | Kansas | 1,050 | — |
| 18 | Maine | 1,031 | — |
| 19 | Oregon | 1,031 | — |
| 20 | Illinois | 973 | — |
Source: U.S. Social Security Administration (public domain).