↑ John Blair, in 1850 United States Federal Census Year: 1850; Census Place: Penn, Perry, Pennsylvania; Roll:M432_805; Page:463A; Image: 347, 1850.
List of household members of John Blair, his wife Rachel,and two children. Names, ages, birth year of John, Birth place, home in 1850, Names and ages of children.
↑ Rachel S. Blair, in U.S., Federal Census Mortality Schedules Index, 1850-1880 Ancestry.com, U.S. Census Federal Census Mortality Schedules Index, 1850-1880[database on-line]. Provo, UT. USA.Ancestry.com Operations, Inc.1999. ID # 317_1932., 1999.
Name, year, county, state, age, gender, Month of death, state of birth, ID #, occupation, cause of death: consumption.
