Notes:
Data source is Douglas Mumma, 2123 Farmington Place, Livermore, CA 94550, email = doug@mumma.org
1900: Pittsburgh Ward 19, Allegheny, Pennsylvania, insurance
James H Mahan, head, Feb 1868, 32, m: 5 yrs, b: OH/PA/PA
Carrie M Mahan, wife, Dec 1868, 31, m: 5 yrs, 3 children, 2 living, b: OH/OH/OH
James L Mahan, son, Nov 1895, 4, b: PA
Donald J Mahan, son, March 1899, 1, b: PA
1910: Pittsburgh Ward 11, Allegheny, Pennsylvania, sec insurance office
James H Maben, head, 42, m1 15 yrs, b: OH/PA/PA
Mamie M Mahan, wife, 41, m1 15 yrs, 3 children, 1 living. b: OH/OH/OH
John D Mahan, 11, b: PA/OH/OH
Augustine M Guy, boarder, 25
Mary Tahey, servant, 25
1920: Manhattan Assembly District 9, New York, New York
Mary Collins, head, 50
Charlott Collins, dau, 24
Minnie De Pelts, roomer, 30
James H Mahan, roomer, 52, b: OH/PA/PA, life insurance
Carrie M Mahan, wife, 51, b: OH/OH/OH
Feodor Von Raitz, roomer, 60
Minnie Von Raitz, wife, 55
Fredrick Bruno 36
Paul Bruno 15
Araxa Shahan 25
Florence Talmadge 24
Sally E Gr*M 59
D Audley Mer*Do 45
1930: Philadelphia, Philadelphia, Pennsylvania
James H Mahan, head, 62, office manager life insurance
Cary M Mahan, wife, 61
Virginia Cheney, neice, 18
1940: Ocean Grove, Monmouth, New Jersey, 77 Embury Avenue
Residence in 1935: Pasadena, California
James Mahan, head, 72
Carrie Mahan, wife, 71