I can't find a marriage between Alice and Alfred Reinsford (sometimes transcribed as Ransford) either.
I can't either

tried dates between 1891 - birth of first daughter 1897
Florence Agnes Reinsford
born 19th Oct 1897Baptism Date: 14 Nov 1897 St George in the East
Alfred Richard Reinsford, occ waiter & Alice
1891 RG12; Piece: 282; Folio: 115; Page: 20
Alice EVE age 28 and her two children Alice 3 & Thomas 9 mths
are with her parents Thomas & Elizabeth PARSONS,
she appears to be noted as ‘M’ (married)
ADDEDThis looks to be her death entry
Alice Reinsford age 73 Mar 1941 Stepney Volume: 1c Page: 288