Estonian Names that Start With O

Olli as a feminine name is quite unusual, as it is traditionally a Finnish and Estonian masculine name, functioning as a diminutive form of Oliver or Olavi. In Finnish tradition, Olavi derives from the Norse name Óláfr, meaning 'ancestor's descendant.' When used for girls, Olli represents a modern trend toward gender-neutral naming. The name's brevity and friendly sound with its double 'l' creates a playful, approachable quality. While uncommon for either gender outside Nordic countries, Olli has maintained steady usage in Finland for boys. For girls, it remains extremely rare globally. The name's simplicity and distinctive Scandinavian character may appeal to parents seeking minimalist names with international flair or those with Finnish heritage looking to honor their cultural roots.

Olli

Olly is used less often as a nickname for the mega-popular Olivia or the stylish Olive than Ellie is for Eleanor or Allie for Allison. That may be because Olly has a much longer use as a nickname for boys. 
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This name has gained less traction than its twin sister Ollie, which was given to 106 baby girls in the US in 2023, ten more than the previous year. 

Estonian Names that Start With O

The names

Olli

Olly