Likely a modern Spanish-influenced form, possibly related to Jane or Yaneli-type names.
Yanelli is a modern feminine name with strong roots in Latin American and Hispanic-American naming culture, where it developed as a creative elaboration on names like Yanel, Yaneli, or Janelle. The Janelle lineage connects back through Janet and Jane to Joan and ultimately to the Hebrew Yochanan — 'God is gracious' — the same root that produced John, Jane, Joanna, and hundreds of variants across world languages. The Y- spelling and the flowing -elli ending give the name a distinctly Latinx character, reflecting the tradition of phonetically expressive, melodically rich naming that flourishes in Mexican-American and Caribbean communities.
S. Hispanic communities, combining familiar phonetic elements into fresh, original compositions that honor cultural identity while asserting individuality. The double-l gives it a gentle, musical finish reminiscent of Italian and Spanish diminutives — think of words like estrella (star) or bella (beautiful).
Yanelli is rare enough to feel distinctive while familiar enough to be pronounceable across cultural contexts. It represents something genuinely new in the name lexicon: a name born in the United States from the meeting of Spanish phonetics and American creative freedom, with deeper roots stretching back to the Hebrew scriptures — a small linguistic biography of immigration and reinvention.