Likely a modern form influenced by Arabic Jamiya/Jamia, carrying senses of gathering, beauty, or completeness.
Jamiah weaves together threads from multiple naming traditions, its form suggesting Arabic roots while its sound echoes the broader English-speaking landscape of names built on the James/Jamie family. In Arabic, jāmiʿah (جامعة) means "university" or "community" — literally "that which gathers" — from the root j-m-ʿ (to collect, to assemble, to bring together). The related adjective jāmiʿ describes a congregational mosque, a place where a community gathers as one.
A child named Jamiah might thus carry the sense of one who unites, who draws people together, who is herself a gathering point. The name also resonates with the Jamie and James tradition — from the Late Latin Jacomus, a variant of Jacobus, itself from the Hebrew Yaʿaqov (Jacob), meaning "he who follows at the heel" or, more generously, "supplanter." James became one of the most durable names in the English-speaking world thanks to two apostles, six kings of Scotland, and centuries of consistent use.
Jamiah takes that familiar phonetic core and transforms it: the -iah suffix, found in Hebrew theophoric names (Isaiah, Jeremiah, Nehemiah), adds a quality of elevation and devotion, extending the name from the merely familiar into something more ceremonial. In practice, Jamiah has been used most often in African American communities, where creative name construction and the fusion of phonetic traditions — Biblical, Arabic, English — is a long-standing and expressive art form. The name reads as both invented and ancient, both individual and communal, which is perhaps exactly the point: to gather all of those meanings into one person.