Trend of the Popularity of Colby as a Female Baby Name in Illinois
Updated on December 6, 2025.
Data Source: Social Security Administration (SSA).
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In 2004, there were 5 female babies that were named Colby in Illinois, which was 0.01% of the total number of female babies born in Illinois in 2004. Between 1994 and 2004, the name Colby peaked as a female baby name in Illinois in 2000 with a count of 8 babies, which was 0.01% of the total female babies born in Illinois in 2000.
The first chart below show the trend of the number of female babies in Illinois that were named Colby, and the second chart shows the percent of female babies in Illinois that were named Colby.
Trend of the Number of Female Babies who were Named Colby in Illinois
Trend of the Percentage of Female Babies who were Named Colby in Illinois
The table below below shows the trend of the number of female babies and the percentage of female babies born in Illinois who were named Colby from 1994 to 2004.
Trend of the Popularity of Colby as a Female Baby Name in Illinois
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| Year | Number of Female Babies | Percent of Total Female Babies (%) |
|---|---|---|
| 1994 | 5 | 0.01 |
| 1995 | 5 | 0.01 |
| 2000 | 8 | 0.01 |
| 2001 | 5 | 0.01 |
| 2004 | 5 | 0.01 |