Olly is a ♀ girl name and a ♂ boy name. That makes Olly one of the gender-neutral unisex names.
Olly is a diminutive of the names Oliver or Olivia.
Olly means “olive”, “olive tree planter” and “peaceful” for girls and “ancestor’s descendant”, “warlike elf” or “olive tree” for boys.
Based on the frequency of positive ratings, we can analyze how popular names are in different countries. The name Olly is currently ranked #2050 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 | |
|---|---|---|---|---|---|
| 🇬🇧 Great Britain | - | - | - | ✓ | ✓ |
| 🇮🇪 Ireland | ✓ | ✓ | ✓ | ✓ | - |
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