Dictionary of Medieval Names
from European Sources

Olaf m. Proto-Norse *anu- 'ancestor' + *-laibaʀ 'remainder'.

The name of a 9th C king of Sweden, a 9th C king of Dublin, a 10th C king of Sweden, 10th C king of Norway, two 10th C kings of Dublin, a 10th C king of the Scots, a 10th C king of Limerick, a 10th C king of Dublin and Northumbria, an 11th C king of Norway and saint, another 11th C king of Norway, a 12th C king of Norway, a 12th C king of the Isles, a 12th C Danish anti-king, a 13th C king of Mann, and a 14th C king of Norway and Denmark.

England
Latin
1300 Aule (nom) ProcSuf-vol3 p. 231
Estonia
Middle Low German
1387 Olaue BbRT p. 339; 1524x1532 Olaff Saareste1923a p. 102, Ollaui (unc) ibid. p. 102, Oloff (nom) Saareste1923b p. 137; 1550 Oleff (nom) Kalakaupmees p. 257, Olleff (nom) ibid. p. 258; 1580 Oleff (nom) ibid. p. 251, fn. 2
1592 Olly Tiik1977 p. 285
Early Modern Swedish
1565 Oluff (nom) Hiiumaa p. 251
1576 Olle (nom) Hiiumaa p. 172; 1583 Olli (nom) ibid. p. 172; 1595 Olle (nom) ibid. p. 172
Finland
Early Modern Swedish
1548 Oluff (nom) Audén1980 p. 168; 1555 Oleff ibid. p. 165; 1559 Oleff (nom) ibid. p. 166
1548 Olle (nom) Audén1980 p. 169, Ols (gen) ibid. p. 168
Iceland
Middle Icelandic
1500 Olafs (gen) DipIs-7 489
Italy
Latin
1460 Olavi (gen) SDHK no. 42126
Latvia
Middle Low German
1523 Olloff Arbusow p. 99, Olof ibid. p 98
Sweden
Latin
1350 Olaps (gen) SDHK no. 6002, Olaui (gen) ibid. no. 6000, Olauo (dat) ibid. no. 6037, Olauus (nom) ibid. no. 6002, Olof (gen) ibid. no. 6054; 1383 Olauus (nom) SRA-vol2 no. 1909, Olawus (nom) ibid. no. 1925
Middle Norwegian
1383 Olafs (gen) SRA-vol2 no. 1915, Olafuer ibid. no. 1915
Old Swedish
1358 Olaue (dat) SDHK no. 7337, Olawe (nom) ibid. no. 7337; 1383 Olaf SRA-vol2 no. 1900, Olaff ibid. no. 1926, Olaffwer ibid. no. 1933, Olafuir ibid. no. 1911, Olauer ibid. no. 1922, Olauers (gen) ibid. no. 1922, Olauir ibid. no. 1940, Olawer ibid. no. 1934; 1407 Olaff (nom) SDHK no. 16880; 1409 Olaf (gen) ibid. no. 17268, Olaff (nom) ibid. no. 17265, Olafs (gen) ibid. no. 17226, Olaue (dat) ibid. no. 17226, Oloff (nom) ibid. no. 17269
Early Modern Swedish
1543 Olaf (nom) Audén1980 p. 162
1543 Ols (gen) Audén1980 p. 164
Cite as: R. Le Get, S.L. Uckelman. "Olaf". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Olaf.