[7] He was a descendant of the Carrignacurra branch of the Ó Laoghaire of the ancient Corcu Loígde.

[7] The plot of the story concerns a deal that the shoemaker Séadna struck with "the Dark Man".

Although the story is rooted in the folklore the writer heard from shanachies by the fire during his youth, it is also closely related to the German legend of Faust.

Apart from Séadna, Ua Laoghaire wrote an autobiography called Mo Sgéal Féin ("My Own Story"), published by Norma Borthwick's Irish Book Company.

[12] Sar ar fhágas-sa Lios Caragáin níor airigheas riamh amach a' béal duine na h-abartha so, .i.

D'á éaghmuis sin bíon sa chaint dhlúithte neart agus fuinneamh nách féidir a bheith sa chaint a bhíon ag tuitim as a chéile...Tá bárr 'á thabhairt do'n mhódh sgurtha sa Ghaeluinn, agus módh sgurtha ar fad iseadh an Béarla.