Surname DYAS Home - Surnames - Documents Surname Index: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Baptisms (Parish Register) Place Register Year Surname, Forename Parents No. Notes Thetford District Thetford St.Marys 1806 MANN, Thomas William + Ann late DYAS Source Thetford District Thetford St.Marys 1808 MANN, Gregory Dyas William + Ann late DYAS Source Thetford District Thetford St.Marys 1812 MANN, James William + Ann late DYAS Source © Copyright 2001-2017, Andrew Rivett, Geoff Lowe