He did marry Hester(Esther) terry, but I haven't traced the actual marriage.
Not seeing a marriage entry to Esther/Hester Terry either

There's this baptism for an Esther Terry(ey) but it's 1817 not 1823
Esther Terry Baptism Date: 4 May 1817 St George the Martyr born 2nd Par
Father William occ Cheesemonger Mother Esther
Did he remarry?
1 Jan 1872 St James the Great
Thomas PETHER (x) widower
occ HAWKER, Bethnal Green f George (dec’d)
Matilda Mary Ann Ruddell (x) widow f William Henry ?dler (dec’d)
Wit C R?ull & Emma Edward
1881 RG11; Piece: 549; Folio: 107; Page: 8
Thomas PETHER 59 occ Hawker
Matilda 60