The Chiles family:
John William Chiles d. 1907 aged 90 in Andover district.
Earl(e) Chiles b. 1850 d. Mar 1920 in Andover, can't see a marriage.
In 1881 they had a number of children, (Earle and Henrietta are shown) including a John who appears to have possibly married later in 1881 to Emily Mary Starnes. (They appear in 1901 in Hayes, Middlesex, on
http://www.1901censusonline.com/ under the spelling "Childs"). So there was a family link there.
Do you have Ada Agatha's birth certificate? With luck, the details there (any addresses, etc), might lead to other possible places to look for her family.