I was so excited to see this posting.I am a direct descendent of William McKee (b. 1825 m. Hannah Miller) and his son Albert McKee m. Margaret Gallaher (Gallagher?).I am not sure what information you would like but I would be happy to share with you what I know.
William moved from Westmoreland County at some point and ended up in Beaver Valley, PA (in Northern Cambria County near Flinton, PA).His son Albert spent most of his life there and died there.Albert is my father's grandfather.William and his wife and Albert and his wife are buried in the church cemetary in Beaver Valley.
What other information would you like?I have never been able to learn who William's father was.Years ago, I heard that it may have been a Thomas McKee who was buried in Tyrone, PA.But, I do not have any proof of that.