1802 - Newcastle District formed from the Home District. Ottawa District was formed from the Eastern District. Gore District was formed from the Home and Niagara Districts. 1822 - Bathurst District formed from the Johnstown District. 1849 - Districts discontinued.
Counties take over former duties of districts.
By 1845 the southern border was moved south to take over more of the Newcastle District. The western part was transferred to the Johnstown District, 1798. The north half was transferred to the Ottawa District, 1816. GORE - Formed from the Niagara and Home Districts, 1816. Loses part to Wellington District, 1837.