Likely a phonetic modern form of Janie or Jenny, names derived from Jane and Jennifer traditions.
Jeiny is likely a phonetic modern form of Janie or Jenny, names ultimately derived from Jane and Jennifer traditions. That ancestry gives it a familiar heart even though the spelling makes it feel current and individualized.
The name has a playful, approachable sound, with the softness of a nickname and the freshness of a modern spelling. Jeiny feels light and friendly, the kind of name that gains charm from its simple shape. It is familiar enough to be easy, but uncommon enough to feel personal.