Amlaid Ua Domhnalláin (died 1177), Chief poet of Connacht.
Amlaid Ua Domhnalláin was a member of a bardic family, Ó Domhnalláin of Clan Breasil, Máenmag in Uí Maine (now Ballydonnellan, County Galway).
Other such members of his family would include Flann Óc mac Séoan Ó Domhnalláin, Flann Óge Ó Domhnalláin, Mael Sechlainn Ó Domhnalláin, Pádhraic Ó Domhnalláin, Padraig Ó Domhnallain, Ainglioch Ó Dónalláin and Seosamh Ó Dónalláin.
The surname Donnellan remains fairly common in Galway.
External links http://www.ucc.ie/celt/published/T100005B/
References
The Surnames of Ireland, Edward MacLysaght, 1978.