[1] The founding members were guitarist-singers Richard Keelan (formerly of the American band The Spike Drivers) and Cedric Smith,[2] who were joined by Terry Jones (guitar, vocals), Michael Butler (bass), George Taros (piano, vocals), and other friends and family members.
[4] During the 1970s a number of others were a part of the Conspiracy, including David Woodhead, Jerome Jarvis, Larry Brown, Paul Gellman, Peter Cheyne and Dorit Learned.
[5] In the mid-1960s through to the late 1970s, the Perth County Conspiracy would play nightly at Harry Finlay's Black Swan Coffee House in Stratford, Ontario, usually following the evening performances at the Stratford Shakespearean Festival Theatre.
The band organized an annual picnic on the opening night of the festival.
Around 1990 former members of the band began to reunite once a year at a Black Swan Coffee House Revival in Stratford in support of homelessness in Perth County.