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Jacolby
Pronounced juh-KOHL-bee /dʒəˈkoʊl.bi/Medium
Meaning: A modern name, joining a Ja- prefix with Colby (an English place/surname, 'a coal/dark settlement', Old Norse); no single fixed root; routes uncertainLow
Popularity in the U.S. · SSA data
U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.
SSA data updated May 2026. How we source & verify this data.
History & Origin
Jacolby is a modern name, with no single fixed root — joining a Ja- prefix with Colby (an English place/surname, 'a coal/dark settlement', Old Norse; routes uncertain, which we flag honestly). A lyrical, modern name (said 'juh-KOHL-bee').
In the U.S. it appears in African-American families. Rare, a-recent-coinage, and lyrical.
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Frequently Asked
What does the name Jacolby mean?
Jacolby joins a Ja- prefix with Colby; it has no single fixed meaning, so we flag it.
How do you pronounce Jacolby?
It's said juh-KOHL-bee /dʒəˈkoʊl.bi/ — three syllables, stress on the second.
Is Jacolby a boy or girl name?
Jacolby is a boy's name.
How popular is Jacolby?
Jacolby is a very rare name in the U.S.













