Unique Names that Start With J

Jace

Hebrew, diminutive of Jason

"the Lord is salvation"

Jace may sound like only half a name -- it's usually pronounced like the first half of Jason though some may consider it a spelling-out of the initials J. C. -- but it's a popular choice for baby…

Jaxon

Spelling variation of Jackson

"son of Jack"

Jaxon has been mostly climbing in popularity since it entered the Top 1000 in 1997, proving that many parents have decided to rev up the cool factor of Jackson by giving it this streamlined spelling.…

Jaxson

Variation of Jackson, English

"son of Jack"

One of several phonetic spellings of Jackson moving up the charts, Jaxson entered the Top 100 in 2013 and has remained there since. It's also picking up steam in England and Wales.. Actor Eric Mabius…

Jayce

Modern invented name

"to heal"

Jayce, which probably started out as an abbreviation of names like Jason, with the 'y' borrowed from Jayden, now has a life of its own, making a strong showing on the popularity lists. It is…

Jett

Mineral or word name

Short, sharp, and cool, Jett is a contemporary choice that connotes both gemstones and jet engines. Rarely used before the 90s, John Travolta, and then George Lucas, helped to put the name on the map…

Jaziel

Hebrew

"God apportions"

Jaziel and spelling variation Jahziel are unique baby names from the Bible—he was the son of Nephtali and a grandson of Jacob and Leah—that are being rediscovered by a new generation of parents in…

Javier

Spanish variation of Xavier, Basque

"new house"

One of the most popular Spanish names for boys in the US, Javier is embodied for many Americans in the magnetic persona of Spanish-born Oscar-nominated actor Javier Bardem. While off its peak in the…

Jensen

Spelling variation of Jenson and Danish surname

"son of Jens"

A variation of Jenson, which is actually more popular than the original in the United States. This spelling also holds the distinction of being the most common surname in Denmark. The most famous…

Jax

Modern invented name, English

"God is Gracious"

With its cool -X ending, Jax is an update on the classic nickname Jack, likely inspired by the rise of Jackson. It garnered attention in the US thanks to the game, Mortal Kombat II back in the '90s,…

Joaquin

Spanish variation of Joachim

"God will judge"

Actor Joaquin Phoenix (brother of River, Rain, Liberty and Summer) highlighted this one, then Kelly Ripa began talking about younger son Joaquin on her daily TV show, and presto—it's now one of the…

Jaylen

Modern invented name

More popular than the Jalen spelling. Like other names with many variants, when you count up all the alternatives, the name is much more popular than it first appears.

Jasai

Modern invention

"God supports"

One of the fastest rising names of 2025, Jasai made its debut on the US charts, leaping straight into the Top 500 when it was given to 719 babies (four times more than the year prior). Likely…

Jalen

Modern invented name

The new Jason, spelled many different ways, and popularized by basketball star Jalen Rose.

Jasiah

Variation of Josiah, Hebrew

"God supports, heals"

Josiah, but with a bit of Jasper, Jasiel, and Jamar thrown in. With Josiah entering the Top 100 in 2008, Jasiah has also seen increased popularity since it entered the US Top 1000 back in 2006. Given…