Billy is a ♂ boy name.
Billy is a diminutive of the name Bill, which derived from William and is of Old High German origin.
Billy means “protector,” “resolute protector,” “will helmet,” or “willing to protect” (from Old High German “willio” = will/desire + “helm” = protection/helmet).
Based on the frequency of positive ratings, we can analyze how popular names are in different countries. The name Billy is currently ranked #4248 on the name leaderboard.
Curious about more trends? Find out which names are most popular in the USA, Canada, Australia, and worldwide.
2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
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🇦🇺 Australia | - | ✓ | - | - | - | - |
🇮🇪 Ireland | - | ✓ | ✓ | - | - | - |
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