Samuel Baird, b. 1740 in Franklin County, Pennsylvania, d. 26 Jun 1820 in Philadelphia, Philadelphia County, Pennsylvania, son of Thomas Baird & Mary Douglas. He married Rebecca Potts in 1782 in Pottstown, Montgomery County, Pennsylvania.
Samuel Probasco Baird, b. Oct 1842 in Lafayette, Tippecanoe County, Indiana, d. 21 Oct 1925 in Lafayette, Tippecanoe County, Indiana, son of Zebulon Baird & Martha M. Probasco. He married Elizabeth D. Rochester on July 13, 1881 in Lafayette, Tippecanoe County, Indiana.
Sarah Baird, b. 12 Mar 1832 in Wolcott, Wayne County, New York, d. 1921 in Auburn, Cayuga County, New York, daughter of Abia Francis Baird & Lanah "Lany" Forshee. She married Andrew Jackson Sanders on December 28, 1853 in Fosterville, Cayuga County, New York.
Spencer Fullerton Baird, b. 3 Feb 1823 in Reading, Berks County, Pennsylvania, d. 19 Aug 1887 in Woods Hole, Barnstable County, Massachusetts, son of Samuel Baird & Lydia McFunn Biddle. He married Mary Helen Churchill in 1846 in Carlisle, Cumberland County, Pennsylvania.