Hello, Here is the information I have on Devlin/Martin/McKee and Cassidy lineage.
My great great Grandfaather name was Felix Martin he was born on 1 April 1878 in Anterbeg, Co. Tyrone he was the son of James Martin born 25 April 1836 in Ardean, Co. Tyrone)and Anne Devlin b. about 1836.
HIs father James was the son of Daniel Martin and Catherine Devlin both were married at Parish of Ardoe Co. Tyrone and they had 3 other children
John b. 30 July 1833, Margaret b. 31 March 1839 and Daniel b. 2 November 1841
Anne Devlin was the daughter of James Devlin and Mary Cassidy. I do not have any informaiton of her family.
I think James Devlin and Catherine Devlin are brother and sister.
James Martin and Anne Devlin had 11 children and all of them were born in Anterbeg, Co. Tyrone
Daniel b. 11 November 1858 married to Rose Muldoon Catherine b. 13 May 1860 RoseAnn b. December 18, 1864 married to Bernard Devlin Bridgette b. 12 May 1866 Elizabeth b. 25 Feb. 1868 Mary b. 20 Feb 1870 Margaret b. 14 December 1871 Jennifer b. 22 June 1873 James Jr. b. 25 May 1876 Felix b. 1 April 1878 My great great grandfather and Joseph