It's no mystery that she was born in 1890 in Devon, England, wrote 67 novels under this name & 6 as Mary Westmacott
Image 6 of 8 ... Devon, 
England, in 1890, she had no formal schooling but taught herself... [DOC] [TLE] Agatha Mary Clarissa Mallowan (Miller) (1890 - 1976) - Genealogy [PAR] Jun 4, 2016 ... Genealogy for Agatha Mary Clarissa Mallowan (Miller) (1890 - 1976) ...