Londonderry is an unincorporated community in Londonderry Township, Guernsey County, Ohio, United States.
[1] Londonderry was platted in 1815.
[2] The community takes its name from Londonderry, in Northern Ireland.
[3] A post office was established at Londonderry in 1819, and remained in operation until 1907.
This Guernsey County, Ohio state location article is a stub.