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Every US first name since 1880, charted like a stock. Type yours, then your mom’s, then the whole group chat.
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NAMES LIKE COLBY
Same rise and fall as Colby, around the same years.
WHERE COLBY IS POPULAR · 2024
In 2024, Colby ranked highest in New Hampshire (#204) and lowest in California (#1,774). 16 states had fewer than 5 babies with the name, too few to list.
Tap a state to see its rank and top names.
MARKET MOVERS · 10 YEARS
Colby name popularity
Colby has been given to 58,155 babies in the United States since 1888.
It peaked in 2001, when 3,979 babies got the name, and its best rank was #173 in 2001.
In 2025, 515 babies were named Colby (#1,146 in the country), 87% below the peak. That is down 27% from 2015.
About 7% of babies named Colby were girls and 93% were boys.
An estimated 57K people named Colby are alive in the US today, with a median age of 25.
HOW IT WORKS
The chart is the number of US babies given the name each year, from the Social Security Administration’s public baby-name files (names given to 5+ babies in a year). The “all-time high” is the name’s biggest year. “Holders” and “median holder age” are rough estimates that apply average US survival rates to each birth year, so they ignore immigration and name changes.
Lookups run in your browser. We don’t keep a list of the names people look up.