Norwegians, 14, 16, 67.

Odin, 15, 17-19, 26, 95.

Offa, 90.

Olaf, 85, 87.

Orkney Islands, 14, 17-19.

Orwen, 72, 78.

Osbeorn, 13, 18.

Osbernum, 15.

Osbertum Bulax, 15.

Per Bakken, 25.