Baby name pickerby KYO360

UnisexEnglish

Billie

Diminutive of Bill or William, meaning resolute protector.

Meaning and origin

Billie is a diminutive of Bill, itself a shortened form of William.

How to pronounce Billie

English (US)BIL-ee

About this entry

Drafted with the help of an AI model, then checked by a person. Last checked on 16 September 2026.

The sources behind this entry are listed in the app.