Francis McGuire, grandfather of Thomas, and son of the pioneer McGuire, was born in Hampden township. In 1817 he married Sarah Silvers, of Virginia, a member of the family after whom Silver Spring was named. Francis McGuire was also a trustee in the church at Silver Springs, and died in 1852, highly respected, aged sixty-three years. His children were:
James; Joseph; Francis; William and Adeline.