Oxford Street is a major road in the City of Westminster in the West End of (London, England). Today, it is a famous shopping street and is the site of several department and flagship stores.
Likely a reference to the White Hart Inn, located in Church End, Willesden, in the modern borough of Barnet in London. For more information about lost inns of London, see: https://www.layersoflondon.org/map/records/white-hart-inn
In London Labour and the London Poor:
Of the Blind Street-sellers of Tailors’ Needles, etc. (Volume 1) [as "Old White Hart"]