Here’s a list of popular and unique baby girl names starting with the letter G:

1. Gabriella – “God is my strength” (Hebrew)
2. Grace – “Elegance, divine grace” (Latin)
3. Gianna – “God is gracious” (Italian)
4. Georgia – “Farmer, earth worker” (Greek)
5. Genevieve – “Tribe woman” (French)
6. Gemma – “Precious stone” (Italian)
7. Gwendolyn – “White ring, blessed ring” (Welsh)
8. Giulia – Italian form of “Julia”
9. Greta – Short form of Margaret, “pearl” (German)
10. Gia – “God’s gracious gift” (Italian)
11. Giselle – “Pledge” (French)
12. Goldie – “Made of gold” (English)
13. Gaia – “Earth mother” (Greek)
14. Galilea – “Galilee” (Hebrew)
15. Ginger – “Reddish-brown” (English)

These names offer a mix of classic and modern options, with diverse origins and meanings. Parents might choose a G name for its sound, meaning, or to honor a family tradition.