I have since had a lead from an ancestry DNA match whose Nicholsons came from Adrigole Cork and I'm Wondering if anyone can help, I have hit a brick wall with Mary Nicholson born about 1859 co cork and her sister Ellen ,all I know is their fathers name was James Nicholson a farmer from Co Cork, he was listed as deceased in 1880 on the marriage cert of Ellen Nickleson (that's how it was spelt on marriage cert) of Gratton st and James Kelleher of wises lane in 1880 I know they had 6 children, Mary Nicholson of leitrum st married Mchael Hannan a private in the royal artillery in 1882 with only one child I know of a girl born in 1884 called Mary Ellen I can't seem to find anything on their father James or mothers name and have searched relentlessly any help would be greatly appreciated .