4: Cuilén mac Fionnlaigh -New Name (NP)

Submitter desires a masculine name.
The following changes are allowed: all changes needed to be grammatically correct
Language/Culture (Gaelic language) most important.

Consulting Herald: Alys Mackyntoich

Cuilén is a Gaelic male given name found in "Index of Names in Irish Annals" by Mari ingen Briain meic Donnchada (https://medievalscotland.org/kmo/AnnalsIndex/Masculine/Cuilen.shtml) with relevant Annals dates of 1324, 1327, 1455, 1463.

mac - is the Gaelic patronymic marker for "son."

Fionnlaigh is the likely genitive form of Fionnlagh, a Gaelic male given name dated to 1500-1600 in "Scottish Gaelic Given Names" by Effric Neyn Ken3ocht Mcherrald (Sharon Krossa) (http://medievalscotland.org/scotnames/gaelicgiven/men.shtml). mac Fionnlaigh also appears as an option for a Scottish man's Gaelic patronymic byname in Effric's "Historical Name Generator: Sixteenth Century Irish and Scottish Gaelic Names" (https://medievalscotland.org/scotnames/hng16gaelic/scottishmanpat.php).