In 843 the Annals of Ulster record that Artacán mac Domnaill was "deceitfully killed" by Ruarc mac Brain, but no further identification or titles are given. Likewise in 846, when he fought alongside Máel Sechnaill mac Máele Ruanaid and was defeated by Tigernach mac Fócartai no titles are given.
In 843, the Annals of Ulster state that Artacán mac Domnaill was "deceitfully killed" by Ruarc mac Brain, but no further identification or titles are given. Similarly, in 846, when he fought alongside Máel Sechnaill mac Máele Ruanaid and was defeated by Tigernach mac Fócartai, no titles are provided.