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2025 data, released 8 May 2026

Jacolby

Jacolby was the 5968th most popular name for boys in 2025, given to 15 babies. Its best year was 1992, when it ranked 1258th with 81 babies. Over the last ten years it has moved down 2,346 places. More babies were named Jacolby in the 1990s than in any other decade.

Meaning Not yet researched how we research meanings

Rank in 2025
#5,968 boys, down 631 places since 2020
Babies in 2025
15boys
Girls and boys
Almost always a boy’s name2021–2025
Peak year
199281 babies
Total since 1880
1,572babies recorded

Jacolby popularity since 1880

0255075100 1900192019401960198020002020
Boys Babies per year, US, from Social Security records. Years with fewer than 5 babies show as zero.

A few girls are given the name too: 15 since 1986.

YearRank (boys)Babies (boys)
2025#5,96815
2020#5,33717
2010#3,10337
2000#1,95253
1990#2,05836
1980——
1970——
1960——
1950——
1940——
1930——
1920——
1910——
1900——
1890——
1880——

How popular is Jacolby, counting every spelling?

Jacolby is the most common spelling of a name family that had 15 boys in 2025 across its spellings. Together these spellings went to 15 boys in 2025.

SpellingBabies 2025Official rankBabies 2021–2025
Jacolby15#5,96878

Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.

How many kids will share the name Jacolby?

15 of the 3,606,400 babies born in the US in 2025 were named Jacolby (0.00 per 1,000 births). For a boy named Jacolby born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 554 (of 430 pupils) would have a child named Jacolby.

Chance of another Jacolby in a class of 20under 1 in 50US, born 2025

Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.

How old are people named Jacolby?

About 1,500 people born in the US named Jacolby are alive today, with a median age of 25; half are between 16 and 33. That makes Jacolby mostly worn by children and young adults.

0–910–1920–2930–3940–4950–5960–6970–7980–8990+
Estimated people alive in the US with the name, by age, mid-2026. The darker bar holds the median age.

Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.

Names with a similar history

These names rose and fell in step with Jacolby: their share of US boys followed the most similar curve since 1880. If you like Jacolby, they share its era and feel.

Questions about the name Jacolby

How popular is the name Jacolby?

Jacolby was the 5968th most popular name for boys in 2025, given to 15 babies. Its best year was 1992, when it ranked 1258th with 81 babies. Over the last ten years it has moved down 2,346 places. More babies were named Jacolby in the 1990s than in any other decade.

Is Jacolby a boy or girl name?

In 2021–2025, almost always a boy’s name given the name Jacolby in the US.