1. 1880 US Census; Atlanta, Logan County, Illinois. FHL Film 1254227; National Archives Film T9-0227; Page 47D
John W. Comstock, Head, Age 32, POB- Kentucky, Occupation - Laborer, Father POB - NY, Mother POB - NY
Mahilda Comstock, Wife, Age 28, POB - Illinois, Father POB - Kentucky, Mother POB - Indiana
Martha Comstock, Daughter, Age 10, POB - Illinois
Centenial Comstock, Daughter, Age 4, POB - Illinois
Albert Comstock, Son, Age 9mo, POB - Illinois
Orval Comstock, Nephew, Age 13, POB - Illinois, Father POB - Kentucky, Mother POB - Illinois

2. Orval could be the son of Elijah Comstock.