Writer Jerzy Kosinski put this foreign variation on the U. S. name map.

Sleek modern short form of a classic Scandinavian name.

Jamir is a modern invention, created by blending together traditional Arabic names Jamal and Amir, giving the meaning "beautiful ruler". It has replaced the once popular Jamar in the US Top 1000, and currently sits in the Top 600.

Jonny is a masculine name primarily functioning as a diminutive or informal version of Jonathan, which derives from the Hebrew name "Yehonatan" meaning "gift of Jehovah" or "God has given." Jonny offers a friendlier, more approachable alternative to the more formal Jonathan. While sometimes used as a standalone name on birth certificates, it's more commonly a nickname. The spelling with two 'n's distinguishes it slightly from the variation Johnny. This name carries a youthful, casual energy and has been moderately popular in English-speaking countries. Jonny has associations with relaxed, down-to-earth personalities and has been used for various characters in popular culture and sports figures.

While Jamar fell out of the Top 1000 back in 2016, this sleek and modern elaboration remains popular. Inspired by Arabic Jamal and rising up the charts alongside Amari and Kamari, Jamari is given to around 500 boys a year.

Jimi is a masculine name that evolved as a diminutive or variant of James, or as an alternative spelling of Jimmy. With English and American roots, the name gained significant recognition in the 1960s through the legendary guitarist Jimi Hendrix, whose influence helped popularize this spelling. The name carries a creative, musical connotation due to this association. While never extremely common, Jimi has a distinctive, informal charm that appeals to parents seeking a relaxed yet recognizable name with artistic flair. The name's simplicity and its connection to rock music history give it a cool, enduring quality despite its relatively uncommon usage.

Jasiri is the Swahili word for "brave," and a unisex name primarily used in eastern Africa. Despite all it has going for it — a resonant meaning, on-trend I ending, and gender-neutral style — Jasiri has never been given to more than 30 American babies in a single year.