Daniel Foe (his original name) was probably born in Fore Street in the parish of St Giles Cripplegate, London. Defoe later added the aristocratic-sounding "De" to his name, and on occasion claimed descent from the family of De Beau Faux. His birthdate and birthplace are uncertain, and sources offer dates from 1659 to 1662, with the summer or early autumn of 1660 considered the most likely. His father, James Foe, was a prosperous tallow chandler and a member of the Worshipful Company of Butchers. In Defoe's early childhood, he experienced some of the most unusual occurrences in English history: in 1665, 70,000 were killed by the Great Plague of London, and the next year, the Great Fire of London left standing only Defoe's and two other houses in his neighbourhood. In 1667, when he was probably about seven, a Dutch fleet sailed up the Medway via the River Thames and attacked the town of Chatham in the raid on the Medway. His mother, Alice, had died by the time he was about ten.
A Journal of the Plague Year can be read both as novel and as non-fiction. It is an account of the Great Plague of London in 1665, which is undersigned by the initials "H. F.", suggesting the author's uncle Henry Foe as its primary source. It is a historical account of the events based on extensive research and seen through an eyewitness experience, published in 1722.