Have found the following family on the 1871 Census that could include Walter in the years to come:
9 Village Street, West Ham 1871
Jonathan Ablett Head Mar 47 Bricklayer's Lab. b. Ipswich
Ellen Ablett, Wife, 36 b. Middx Limehouse
Joseph Ablett, Son 18 House Decorator b. Ipswich
Charles Ablett Son 17 Bricklayers Lab. b. Ipswich
Elizabeth Ablett Daug. 15 No Occ. b. Shalford Essex
Alice Nicholls d in law 14 Cotton Weaver LCFactory b.W.Ham
Mary Ablett Daug 12 Scholar b. Shalford
Ellen Nicholls d in law 11 Scholar b. West Ham
Eliza Ablett daug 7 scholar b. West Ham
Jonathan Ablett son 5 b. West Ham
Theresa Ablett daug 4 b. West Ham
Frederick Ablett son 2 b. West Ham

Have found in 1891:
82 Victoria Park Rd, Hackney (Young family)
Teresa Ablett Servant 23 General Domestic b. West Ham

HMS Mildwell
Frederick W. Ablett Married 21 Able Seaman b.West Ham

Still trying to locate family in 1881 but no luck so far.
Pam