...and if there is a connection, this is the husband:
HO107/1479
8 Kensington Place, Westminster
George Vallis (indexed as Valles), 47, labourer out of employment, an
Mary Ann V, wife, 37, enrolled Chelsea Pensioner
Ann V, dau, 12, nursemaid
Jane V, dau, 11, nursemaid
Emma V, dau, 9,
John V, son, 6,
George V, son, 5,
Frank V, son, 3,
Henry V, son, 1, b Westminster Rest b Frome
Probably nothing to do with your Mary Ann, although as a pensioner his widow may have been entitled to an annuity.
Richard