Ancient Greek origin
Source-reportedA vernacular form of Ancient Greek Πέτρος (Pétros), seemingly via Old Swedish Pætar (/ˈpɛːtar/? attested in Runic) or Pētar. The ending may have been reshaped by influence from Latin -ārius. * (St Petersburg): Formally named after Saint Peter the Apostle, but alluding to Peter the Great, the founder of the modern city of St Petersburg. In Finnish, towns named after individuals are often left as is. Compare Mikkeli, Antrea and Loviisa.
Sources for this account (5)
- Wiktionary: PietariCC-BY-SA-4.0 · retrieved 2026-10-15
- Greek Wiktionary: PietariCC-BY-SA-4.0 · retrieved 2026-10-15
- French Wiktionary: PietariCC-BY-SA-4.0 · retrieved 2026-10-14
- Russian Wiktionary: PietariCC-BY-SA-4.0 · retrieved 2026-10-14
- Chinese Wiktionary: PietariCC-BY-SA-4.0 · retrieved 2026-10-14

