MallowbyNames

Jaycob

JAY-kob · a modern variant of Jacob, which traditionally means 'supplanter' or 'holder of the heel'.

2025 rank (boys)
#1,919
Babies named in 2025
81
Peak popularity
2012
2025 frequency
1 in 21,087 boys
Usually for
Boys
Trend
Declining since 2011

Declining since 2011, #1,919 for boys today.

Popularity of Jaycob since 1981

Babies named Jaycob per year in U.S. Social Security records.

791572361990200020102020Most births 2012Boys
Data table (by decade)
DecadeBoys
1980s93
1990s613
2000s1,431
2010s1,893
2020s489

Meaning & origin

The name Jaycob first appeared on the U.S. Social Security records in 1981, a late 20th-century respelling of the ancient name Jacob. It reached its peak rank of 1,919th in 2012, but has been declining ever since, with its trajectory showing a falling trend since 2011. In 2025, approximately 1 in 21,087 newborn boys received this name, and it has been most popular in New Jersey, New York, and Texas. Like many creative spellings of established names, Jaycob offers a distinctive twist on a classic, carrying the same biblical heritage while standing apart from the more common Jacob.

Jaycob is a modern respelling of Jacob, itself derived from the Hebrew name Yaakov, which in the biblical story refers to the patriarch who was born holding his twin brother Esau's heel (the Hebrew word 'akev' means 'heel'). The story later gave Jacob the figurative meaning of 'supplanter'. The spelling Jaycob emerged in the late 20th century, likely influenced by the popularity of the 'Jay-' prefix found in names like Jayden. It has been in use in the United States since at least the early 1980s.

Where Jaycob is most popular

Births per 100,000 boys by state, 2025. The lightest shade means too few recorded births.

Fewermore per 100k boystoo few births

Nicknames & variants

Nicknames: Jay, Coby, Jake

Variants: Jacob, Jakob, Jaacob

Sibling names for Jaycob

Names that share Jaycob's style, for a brother or sister.

Sisters: Ava, Megan, Lauren, Emma, Grace

Brothers: Ethan, Caleb, Mason, Noah, Logan

A parent animal hugging its little one, the personalized name page

J is for Jaycob, our favorite little boy.

J is for Jaycob…”

In a Mallowby alphabet book, Jaycob's letter becomes Jaycob's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Jaycob's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

Does Jaycob mean 'supplanter'?
Yes, Jaycob is a modern spelling of Jacob, which traditionally means 'supplanter' or 'holder of the heel', from the biblical story of Jacob and Esau.
How popular is Jaycob?
In 2025, Jaycob ranked 1,919th in the U.S., with about 1 in 21,087 boys given that name. Its peak popularity was in 2012.
Is Jaycob a boy name or a girl name?
Jaycob is almost exclusively used as a boy's name.