The following data is extracted from Biographical Sketches, Coles County, Illinois - Pleasant Grove Township.
John Jeffris, farmer, Sec. 10; P. O. Mattoon; owns 340 acres; was born in Coles Co., Ill., Jan. 26, 1831, and lived with his parents on the farm in this township until 21 years of age; then went to California, returned and was married to Mary Vandierer, March 22, 1859; she was born in Indiana March 1, 1836. They have five children, viz., Ralph, Bell, Hershel, Isaac and Abba. Mr. Jeffries was School Director for nine years. His parents were natives of Virginia and Mrs. Jeffries parents' natives of Kentucky.
Source: Biographical Sketches, Coles County, Illinois - Pleasant Grove Township