Jacyf & mEnglish Popular in Westerns and Western romances for both male and female, white and Native American characters. It is probably a variant of Jessie 1 or Jesse, a name popular in the American West for both men and women.
JadeyfEnglish (Rare) Diminutive of Jade, or a feminine variant of Jaydee. A known bearer of this name is the English actress and film producer Jadey Duffield (1991-).
JamiroquaimEnglish (Modern, Rare) In the case of the band of the same name, which influenced first name usage in the 1990s and 2000s, they conceived it as a combination of jam and iroquai (the latter of the two is based on the Native American confederacy, the Iroquois).
JancisfEnglish (Rare) Blend of Jan 2 and Francis. This name is most notably borne by Jancis Robinson (b. 1950), an English wine critic, journalist and author who has won multiple awards for her work.
JarlimIndigenous Australian Means "barn owl" in the Jiwarli language. While the last speaker of Jiwarli passed away in 1986 a dictionary was able to be made and many people continue speak words or phrases in the language.
JarrahmIndigenous Australian, Nyungar From the Nyungar word djarraly referred to a kind of Eucalyptus (Eucalyptus marginata). Nyungar language is spoken in the southwest of Western Australia, near Perth.