Boys name · Pennsylvania
Colby in Pennsylvania
Colby was the 402nd most popular boys name in Pennsylvania in 2025, with 26 babies named Colby that year. Since 1971, Pennsylvania families have named 2,112 babies Colby.
Popularity over time
Colby in Pennsylvania, year by year
| Year | Babies | State rank |
|---|---|---|
| 1971 | 9 | 473rd |
| 1980 | 12 | 397th |
| 1987 | 29 | 251st |
| 1995 | 53 | 180th |
| 2002 | 109 | 122nd |
| 2010 | 41 | 257th |
| 2017 | 14 | 616th |
| 2025 | 26 | 402nd |
Its rank among boys names in Pennsylvania climbed from 473rd in 1971 to 402nd in 2025.
The most babies named Colby in Pennsylvania in a single year was 152, in 2001. Its best showing was 93rd among boys names in 2001.
Across the country, Colby reached its best rank of 15th in Maine (2003). See Colby in every state →
How popular is Colby in Pennsylvania?
Colby was the 402nd most popular boys name in Pennsylvania in 2025, with 26 babies named Colby that year. Since 1971, Pennsylvania families have named 2,112 babies Colby.
How many babies are named Colby in Pennsylvania?
In 2025, 26 babies were named Colby in Pennsylvania. The most babies named Colby in Pennsylvania in a single year was 152, in 2001.
What is the rank of Colby in Pennsylvania?
Colby ranked 402nd among boys names in Pennsylvania in 2025. Its best showing was 93rd among boys names in 2001.
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