Place:Lanark and Renfrew, Ontario, Canada

When the District system of local administration was abolished in 1849, the neighbouring counties of Renfrew and Lanark formed a judicial union. This was dropped in 1866 and the two counties became completely independent of each other from that date. (source: The Districts and Counties of Southern Ontario, 1777-1979, by Eric Jonasson, OGS Families, vol 20, no 2, pp 91-102)

NOTE: This entry for the United Counties of Lanark and Renfrew only exists for historical completeness. It is best to refer to one or other of the individual counties unless a direct source or reference to the united counties is given.