Darby is an English locational surname and has since become a given name.
Its prefix derives from the Old Norse djúr ("deer"), and the suffix -býr ("farm"/"settlement").
The oldest recorded surname dates to the period of 1160–1182 in Lincolnshire.
Darby was a common pre-1800 alternative spelling of Derby, a city in England.
[1] Notable people with the name or its variants include: