A Yorktown native, Dr. Theodore Sidney, was the son of Yorktown physician Carl H. Wright. His brother, Marcellus Phillip Wright was also a doctor. Theodore practiced in Chicago for 40 years. He is buried in the Yorktown Cemetery.
The PDF below is an Ancestry file that has information about Dr. Wright and his family. The source documents are listed as well.
Wright-Dr.-Theodore-S-Wright-Ancestry-file-JH