The surname Johnstone is a habitational name, deriving in most cases from the place Johnstone in Annandale, in Dumfriesshire, Scotland. There are other places in Scotland so called, including the city of Perth, which used to be known as St. John’s Toun, and some of these may also be sources of the surname. Johnstone is a Lowland Scottish clan. They were involved in many battles on the Scottish borders. The name Johnstone was brought to Ireland by Scottish settlers in the 16th and 17th Centuries and is mainly found in the Ulster. The name is first recorded in the New World in 1685 when John Johnstone arrived in New Jersey. Today there are approximately 7,000 bearers of the name Johnstone living in the US 

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JOHNSTONE CLAN CREST RING

JOHNSTONE CLAN CREST CUFFLINKS