Some of my favorite and commonly-referenced sites.
A primary focus of my research with nearly a quarter of my ancestors hailing from Butler or Allegheny County, links for Kennedy, Mcmasters, and Shaffer families
Citing genealogy sources is incredibly important, both for your research and to assist researchers who may want to avail themselves of your work.
Maria Eva Stanley Lambertson’s father is believed to come from Schoharie County and Delaware County before that. Among early settlers are the Stanley (or Standley) and Lamb families.
One of the two most recent immigrants to America in the Mcmasters line came from Sheffield, England. Along with her sister, Isabella Smith was born in the parish of Ecclesall Bierlow and left behind a large family.
A few of the official organizations for genealogists.