MallowbyNames

Jamesyn

JAY-muh-sin · Of uncertain meaning, likely a modern feminine or unisex variant of James.

2025 rank (boys)
#7,194
Babies named in 2025
11
Peak popularity
2019
2025 frequency
1 in 155,280 boys
Usually for
Girls & boys
Trend
Rising since 2011

Rising since 2011, #7,194 for boys today.

Popularity of Jamesyn since 2006

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

7132020102020Most births 2019GirlsBoys
GirlsBoys
Data table (by decade)
DecadeGirlsBoys
2000s2113
2010s9593
2020s2871

Meaning & origin

Jamesyn is a modern American invention, first recorded in 2008 as a feminized or unisex twist on the classic James. The name has steadily risen in popularity since 2011, reaching its peak rank of roughly 7,194 in 2025, with about 1 in every 155,280 newborns given the name. Its upward trajectory aligns with the trend of surname-style names ending in -son or -syn for girls, such as Emerson and Addison. While not widely used, Jamesyn has carved out a niche among parents seeking a contemporary, distinctive option. The name has not been concentrated in any particular state, reflecting its broad but sparse adoption across the country.

Jamesyn is a modern coinage, likely formed by adding the fashionable suffix -syn to the traditional name James. The name James derives from the Hebrew Ya'aqov (Jacob), meaning 'supplanter.' Jamesyn first appeared in U.S. birth records in 2008 and has seen sporadic but rising use since 2011, predominantly for girls.

Nicknames & variants

Nicknames: Jamie, Jem, Jay

Variants: Jameson, Jamison, Jamesen, Jamiesyn

Sibling names for Jamesyn

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

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

J is for Jamesyn, our favorite little person.

J is for Jamesyn…”

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

Make Jamesyn's book

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

Questions parents ask

What does the name Jamesyn mean?
Jamesyn is a modern variant of James, which means 'supplanter' in Hebrew. The name Jamesyn itself has no traditional meaning beyond its derivation.
How popular is the name Jamesyn?
In 2025, Jamesyn ranked 7,194 in the United States, meaning approximately 1 in 155,280 newborns received the name. Its peak popularity was in 2019.
Is Jamesyn a boy or girl name?
Jamesyn is used for both boys and girls, though it is more frequently given to girls in recent years.