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Last Name Olai

What is the origin of the last name Olai?

The last name "Olai" is of Norwegian origin, derived from the personal name "Olav", which comes from the Old Norse name "Oláfr", meaning "ancestor's descendant" or "descendant of the ancestors".

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The meaning and origin of the last name Olai

The name Olai is of Sardinian origin and is believed to derive from the Latin name "Olavius", in turn based on the term "oliva", which means "ulivo". In Sardinian, Olai can also have the meaning of "he who comes from the olive tree" or "he who produces olive trees". This surname could have originated from ancestors working in agriculture or living in olive-rich areas. In addition to Sardinia, the name Olai is also widespread in other regions of Italy, especially in Tuscany and Liguria. The bearers of this surname can therefore have ancestors from different parts of the country, with roots dating back to ancient Rome.

Geographical distribution of the last name Olai

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Variants and spellings of the last name Olai

The surname Olai has several variants and spellings, including Olai, Olaj, Olay, Olai and Olei. These differences may be due to transcription errors in official acts or dialectal variations over time and family emigration. The "Olai" form is probably the most widespread and represents the original version of the surname. Other variations can be the result of phonetic adjustments or changes desired by family members. In any case, despite the differences in writing, all these forms are considered valid and represent the same family and the same origin of the surname Olai.

Famous people with the last name Olai

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Genealogical research on the last name Olai

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Sources & References

About the author :
NomOrigine Team
NomOrigine Team
Passionate about genealogy, name history, and linguistics, we have been analyzing the origins of names for over 3 years. Our content is based on verified historical, etymological, and statistical data.
Last updated : 11 April 2025

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