The Sarnia Observer and Western Advertiser Jan 19, 1854

Division Courts
At the late Court of Quarter Sessions, the Division Courts of the County of Lambton were readjusted as follows,
The First Division To consist if the Townships of Sarnia,  Plympton, Enniskillen and the eight Northern Consessions

 of the Township of  Moore.

The Second Division To consist of the Townships of Bosanquet, Warwick, & Brooke.

The Third Division To consist of the Townships of Dawn and Euphemia.

The Fourth Division To consist of the Townships of Sombra and the four consessions of Moore.
This Division to take effect on the tenth of June next, and,in the meantime, belong to Division number Three.