Clan Blackstock are a Scottish family or kin group about whom little is known. They do not have a recognised chief and consequently are considered an armigerous clan.
There appears to be no certain origin for this name. Blackstock of Blackstock appears in Workman's manuscript and is stated by Alexander Nisbit to bear a coat of three black tree trunks on a silver field. <ref>George Way of Plean and Romily Squire, Scottish Clan and Family Encyclopedia, 363</ref>
Black states that the name may be territorial but he could trace no place of that name.<ref>Plean, Squire, Encyclopedia, 363</ref> William Blackstock witnessed a deed in 1517 and the name arises again as a clerk of court in 1524. <ref>Plean, Squire, Encyclopedia, 363</ref>
Blackstocks are listed as owning property in Edinburgh in the sixteenth and seventeenth centuries.<ref>Plean, Squire, Encyclopedia, 363</ref>