Rashleigh is a surname of a prominent family from Devon and Cornwall in England, which originated in the 14th century or before at the estate of Rashleigh in the parish of Wembworthy, Devon. The principal branches were:
The Rashleighs of Fowey and Menabilly were powerful merchants in the time of Henry VIII and Elizabeth I. Philip Rashleigh, younger son of a family from Barnstaple in Devon, had purchased the manor of Trenant close to Fowey from the King after the dissolution of the monasteries in 1545. He went into trade, became successful but died in 1551. His two sons Robert and John founded the fortunes of the Fowey Rashleighs and their pedigree has been well documented.
;Charles Rashleigh Charles Rashleigh was an entrepreneur. The expanding mining industry around West Polmear led him to develop Charlestown, Cornwall on the south coast as a port, which was named Charlestown after him. ;Harold St. James Rashleigh-Berry Rashleigh-Berry was Lt. Col in the British Army stationed in Peshawar, British Indian Empire. Rashleigh-Berry participated in the Second Anglo-Afghan War, under Sir Frederick Roberts. ;John Rashleigh John Rashleigh was an English merchant and Member of Parliament. He was the father ofJonathon Rashleigh and grandfather of John Rashleigh. John Rashleigh was the son of Phillip Rashleigh a merchant, shipowner and landowner from Barnstaple. Phillip was himself the son of owner of the Rashleigh-Barton estate located in Devon which has been known to exist since 1196. After his father Phillip Rashleigh purchased the manor of Trenant in 1545, Phillip moved his family from Devon to Cornwall to take advantage of the dissolution of the monasteries by buying and re-selling the land acquired around Fowey, it was from this land that John Rashleigh commenced building Menabilly from land acquired in Fowey. ;Jonathan Rashleigh Jonathan Rashleigh, was an English merchant and politician who sat in the House of Commons at various times between 1614 and 1675. He supported the Royalist cause during the English Civil War. Jonathon was also responsible for completing the construction of the family home of Menabilly. ;John Rashleigh John Rashleigh was an English politician who sat in the House of Commons from 1661 to 1679. He was the son of Jonathan Rashleigh and the grandson of John Rashleigh. ;Jonathan Rashleigh This Jonathan Rashleigh was also based in Menabilly and was the Sheriff of Cornwall in 1687. He was the grandson of Jonathan Rashleigh the merchant and House of Commons politician. ;Philip Rashleigh Philip Rashleigh was a Cornish mineral expert and Member of Parliament for Fowey. Nicholas Rashleigh Mundy was a famous Rashleigh who grew up in Surrey and took on the families name.
Menabilly Estate
In the Return of Owners of Land, 1873 Mr Jonathan Rashleigh of Menabilly Estate, Par, was listed as the largest landowner in Cornwall with an estate of or 3.97% of the total area of Cornwall. The estate contains pleasure grounds and a large country house which was Daphne du Maurier's inspiration for the houseManderley in her novel Rebecca.
