US Popularity Rank: 10786

Origin: British

Meaning: Determined protector

Whether baby is destined to be the watchful older sibling or shows a compassionate side, Billye makes a sweet girl's name. This moniker has Old German and English roots, relating to the names Billie, Billy, and William. Its meaning of "determined protector" traces back to the Old German helma, which means "helmet." Much like the helmet they are named after, baby Billy will fiercely defend their loved ones from any harm.