Sidney Oldall Addy

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{{Infobox person

| name = Sidney Oldall Addy

| image =

| caption = Sidney Oldall Addy, 1851-1899, photographed by J. Lioyd, Southport

| birth_name =

| birth_date = {{birth date|1848|1|9|df=y}}

| birth_place = Norton, Derbyshire

| death_date = {{Death date and age|1933|11|15|1848|1|9|df=y}}

| death_place = Orsett Terrace, City of Westminster, London

| occupation = solicitor

| education = Lincoln College, Oxford

| nationality =

| movement =

| parents = James and Sarah Addy

| spouse = Mark Golden Parkin

| children =

}}

Sidney Oldall Addy (9 January 1848 – 15 November 1933) was an English author of books on folklore and history.{{cite news|url=http://en.wikisource.org/wiki/The_Times/1933/Obituary/Sidney_Oldall_Addy|title=Obituary: Sidney Oldall Addy|date=18 November 1933|work=The Times|pages=7|accessdate=2008-12-05}} He was born in Norton, Derbyshire, to coal merchant and landowner James Addy and his wife, Sarah.United Kingdom Census 1871 He studied classics at Lincoln College, Oxford, before becoming a solicitor. In 1899 he married Mary Golden Parkin.

As well as publishing many books on history and folklore he was known for contributing papers to antiquarian journals and for his letters to Notes and Queries.{{cite book|last1=Simpson|first1=Jacqueline|last2=Roud|first2= Steve|title=A Dictionary of English Folklore|publisher=Oxford University Press|location=Oxford|chapter=Addy, Sidney Oldall|year=2000|isbn=978-0-19-210019-1|oclc=44737169}} He also wrote articles for the Dictionary of National Biography.