mcguire in lietrim

HI ALL , 

              im looking for my ancestors that came from annaduff / lietrim , 

going my my tree ive got a patrick mcguire married to ann healy , patricks father was also patrick married to elizabeth donnelly , 

then going back one more ive got an unknown father married to a susan wickan , 

looking for the name of the unknown , also any sibling , 

would like to know where exactly they came from / stayed.

thanks