Recent in Baby
When Baby Resists SolidsWhen Baby Resists SolidsBaby Biting TipsBaby Biting Tips5 Tips To Help Prevent Highchair Injuries5 Tips To Help Prevent Highchair InjuriesWhen Baby and Pet MeetWhen Baby and Pet MeetTreatments for ColicTreatments for ColicBaby Milestones – The First YearBaby Milestones – The First YearTips for Relieving Teething PainTips for Relieving Teething PainBenefits of Making Your Own Baby FoodBenefits of Making Your Own Baby Food

HomeBaby Names DirectoryJacolby

Jacolby

♂ Boy

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

In 30 seconds: A modern name; a Ja + Colby coinage: Jacolby. Lyrical, modern, and warm (said 'juh-KOHL-bee').
💕 Browse more names
Origin LowAmerican
MeaningA modern name, joining a Ja- prefix with Colby (an English place/surname, 'a coal/dark settlement', Old Norse); no single fixed root; routes uncertain
U.S. rank (2024)#8570 ↘ Falling
2024 U.S. births9 boys (0.00% of U.S. boys)
Peak year1992
Total births (all-time)≈ 1,542

Popularity in the U.S. · SSA data

peak 199219812024

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.

Did you know? Jacolby is a modern name, joining a Ja- prefix with Colby (an English place/surname, 'a coal/dark settlement') — a lyrical, modern name (the routes are uncertain, which we note; said 'juh-KOHL-bee').
Overall data confidence 26%
U.S. Social Security Administration name files — routes uncertain

Variations

JakolbyJacobyJacolbi

Nicknames

Colby

Famous Bearers

  • Famous bearers coming soon.

If you like Jacolby…

Colby— the second element
Jacoby— a kin Ja- boys' name
Jamarcus— a fellow Ja- compound boys' name
Jaquan— a sound-neighbor Ja- boys' name

Explore names like Jacolby

All themes →All meanings →All origins →

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.

💬 Ask Nia