Tomrair was a ninth-century Viking active in Ireland. He is one of the first Vikings recorded by Irish sources. Tomrair is reported to have been killed at the Battle of Sciath Nechtain, a conflict in
The names of Amlaíb and Ímar, two of the three Viking co-kings of Dublin, as they appear on folio 25v of Oxford Bodleian Library Rawlinson B 489 (the Annals of Ulster).
The name of Auisle, one of the three co-kings of Dublin, as it appears on folio 25r of Oxford Bodleian Library Rawlinson B 489. Tomrair could have been somehow related to these men.
Tomrair's title as it appears on folio 14v of Bodleian Library Rawlinson B 503 (the Annals of Inisfallen).
The title of the King of Laithlind as it appears on folio 24r of Oxford Bodleian Library Rawlinson B 489.
The Annals of Ulster are annals of medieval Ireland. The entries span the years from 431 AD to 1540 AD. The entries up to 1489 AD were compiled in the late 15th century by the scribe Ruaidhrí Ó Luinín