After serving on the St. Lawrence River frontier, the battalion was removed from active service on 2 June 1870.

[1][4] The regiment had three mottos incorporated into its badges: Latin: Fac et spera, lit.

[6] These honours became dormant when the regiment converted to artillery, being replaced by the RCA's honorary distinction Ubique.

The regiment did not initially mobilize for the Second World War during the general activation of units beginning in August 1939.

The 1st Battalion, The Lanark and Renfrew Scottish Regiment, CASF was mobilized on 5 March 1942, and served as part of the Army's Atlantic Command in a home defence role.

This unit petitioned The Lanark and Renfrew Scottish for permission to use their name and regimental insignia, feeling it was more appropriate for an infantry battalion.

Permission was granted, and The Lanark and Renfrew Scottish served in the 12th Brigade until March 1945.

After all Canadian forces in Italy were transferred to the command of First Canadian Army in Northwest Europe (Operation Goldflake), the brigade was dissolved, the units therein returned to their former roles, and the Lanark and Renfrew Scottish battalion was returned to its former duties and designation.