The Watson's of Londenderry, Ireland.

I am researching the James Watson Family who settled in Fairfield, Adams Co., PA. area.Surnames include, Izer, Beard, Kint, Currens, McCleaf, Reily, Saunders, Myers, Benchoff.
Also, I am researcing the Wills Family from the same general area.Uncle was C.A. Wills, with James Wills a gg grandfather who d. 1895 as the oldest found, son Theodore but no record of wife or other children.Surnames, Gordon, Parker, Bamberger, Forsythe, Hardman, Cole, Williams, McIntire.
Will appreciate any information or leads, and willing to share information and or meet family relatives.