Anna Mae Wheeler

I am searching for Anna's birth father. She was born in 1885 in Arkansas. Her mother is Martha Jane Hayman, Wheeler, Blackshare. She was living with her Mother and stepfather in 1900 so there is no account of her in the census with her birth father. There is no marriage record for Martha who was born in Indiana. Some census records list Anna'sfather being born in Ind. and some say Ill. Thank you, Peggy Thorp