William Davidson (Pennsylvania representative)
He served in the War of 1812, becoming a prisoner of war in the capture of Detroit under Hull. After that experience, he returned to Connellsville, where he married the widow Sarah Rogers Blackstone. They had five children. He served in the Pennsylvania House of Representatives, being elected as the Speaker of the House in 1818. He also served in the Pennsylvania Senate. He lived to the age of 84.
- Biographical and Portrait Cyclopedia of Fayette County, Pennsylvania editorially managed by John M. Gresham assisted in the compilation by Samuel T. Wiley, a Citizen of the County. Compiled and Published by John M. Gresham & Co. Chicago: 1889
- History of Fayette County, Pennsylvania: with biographical sketches of many of its pioneers and prominent men by Franklin Ellis 1828-1886. p. 362