"THREDLING, a hundred in the centre of Suffolk; containing 5 parishes. Acres, 9,943. Pop., 3,232. Houses, 736."
(From John Marius Wilson, Imperial Gazetteer of England and Wales (1870-72).)
In 1836, White's Description of the Poor Law Unions and Registration Districts shows this Hundred to be served by the Registration District of Bosmere & Claydon
BOSMERE & CLAYDON in 1836 - 39 parishes comprising all the parishes in the Hundred of that name, except Whitton and Westerfield which are mostly within the Liberty of the Borough of Ipswich and form part of the Ipswich Union. Bosmere and Claydon Union also includes the five parishes of Thredling Hundred namely Debenham, Ashfield with Thorpe, Framsden, Pettaugh and Winston. The Union is divided into 2 sub-districts :- Coddenham and Needham Market.
See also Brett Langston's Suffolk Registration Districts.
See A Vision of Britain
for a description of Thredling through time.