Hi Hilary:
Probably a 1901 misrecording. The 1891 census follows:
1891 Census
Liverpool
270 Vauxhall Rd
Scotland Ward, SE Martin
RG12/2902
William Foley, Head, age 24 Sugar House Laborer, born Wexford, Ireland
Margaret Foley, wife, age 22, born Wexford, Ireland
Mary Foley, daughter, age 3 born Liverpool
Margaret Foley, daughter, age 1, born Liverpool
John