Sidney Oldall Addy (9 January 1848 – 15 November 1933) was an English author of books on folklore and history.[1] He was born in Norton, Derbyshire to James Addy a coal merchant and landowner and Sarah.[2] He studied classics at Lincoln College, Oxford before becoming a solicitor.[1] In 1899 he married Mary Golden Parkin.[1]
As well as publishing many books on history and folklore he was known for contributing papers to antiquarian journals[1] and for his letters to Notes and Queries.[3] He also wrote articles for the Dictionary of National Biography.