The following data is extracted from Historical and Biographical Record of Douglas County, Illinois.
Daniel Roderick is one of the oldest settlers now living in Douglas County. He came to near Danville, Illinois, with his father, Samuel R., sixty years ago. The latter died in Vermilion County, and soon afterward Daniel came to what is now Garrett Township and kept generally about twelve yokes of oxen. He was horn July 16, 1816, and his education was almost entirely neglected, but he is known as "honest, old Dan Roderick."
Source: Historical and Biographical Record of Douglas County, Illinois