Boys name · Pennsylvania
Colby in Pennsylvania
Colby was the #402 most common boys name in Pennsylvania in 2025, with 26 Colby births that year. In years with 5 or more births, 2,112 were recorded from 1971 on.
Popularity over time
Colby in Pennsylvania, year by year
| Year | Babies | State rank |
|---|---|---|
| 1971 | 9 | #473 |
| 1980 | 12 | #397 |
| 1987 | 29 | #251 |
| 1995 | 53 | #180 |
| 2002 | 109 | #122 |
| 2010 | 41 | #257 |
| 2017 | 14 | #616 |
| 2025 | 26 | #402 |
Colby started at #473 in 1971 and finished at #402 in 2025 on the boys list in Pennsylvania, with a high of #93 in 2001 and a low of #698 in 2021.
Pennsylvania had the most Colby births in 2001, with 152. Its highest rank among boys names in Pennsylvania was #93, in 2001.
Its highest rank in any state was #15, in Maine in 2003. See Colby in every state →
How popular is Colby in Pennsylvania?
Colby was the #402 most common boys name in Pennsylvania in 2025, with 26 Colby births that year. In years with 5 or more births, 2,112 were recorded from 1971 on.
How many babies are named Colby in Pennsylvania?
In 2025, 26 babies born in Pennsylvania were named Colby.
What is the rank of Colby in Pennsylvania?
In 2025, Colby sat at #402 on the boys list for Pennsylvania.
Source: U.S. Social Security Administration, names by state of birth (public domain). Counts below 5 in a state-year are omitted by the SSA for privacy.
The same name elsewhere