Name: Sonia Talmage
Mother's Maiden Surname: Jones
Date of Registration: Apr-May-Jun 1939
Registration district: Chester
Inferred County: Cheshire
Volume Number: 8a
Page Number: 576


Name: Sonia Talmage
Spouse : ERIC Tonks
Date of Registration: Jul-Aug-Sep 1974
Registration district: Chester and Ellesmere Port
Inferred County: Cheshire
Volume Number: 35
Page Number: 0197

No births in England for a Tonks to a Talmage mother from 1972 onwards

there are a few marriages in England for a Sonia Tonks - 1977/1987/1990

cannot see anything on passenger lists BUT, this is recent history so, not surprised