He does marry Catherine, all 3 signatures are the same
1871 Census
NOTTINGHAM, Edward
ASTON, Warwickshire
RG10 piece 3145 folio 11 page 15
wife as Emly???, with Thomas Ada William
plus
Birmingham, England, Baptisms, 1813-1912
Name: Ada Catharine Nottingham
Baptism Date: 2 Feb 1874
Baptism Place: Birmingham, St Martin, Warwickshire, England
Father: Edward Nottingham
Mother: Catharine Nottingham
Reference Number: DRO 34/28
Archive Roll: M107
Name: William Edward Nottingham
Baptism Date: 2 Feb 1874
Baptism Place: Birmingham, St Martin, Warwickshire, England
Father: Edward Nottingham
Mother: Catharine Nottingham
Reference Number: DRO 34/28
Archive Roll: M107
other baptisms also for Edward and Betsey/Bet/Bessy/Betsy/Betty
3 children in the burials are named as children of Edward and Betsey...Thomas George and Sarah
Census address matches up
Birmingham, England, Burials, 1813-1964 says Betsy...Bradford Street
Name: Botseey Nottingham
Birth Year: abt 1821
Burial Date: 12 Sep 1858
Burial Place: Bordesley, Holy Trinity, Warwickshire, England
Burial Age: 37
Reference Number: DRO 15
Archive Roll: M12
Address looks like Adam Street
Birmingham, England, Burials, 1813-1964
Name: Elizabeth Nottingham
Birth Year: abt 1831
Burial Date: 7 May 1855
Burial Place: Birmingham, St Bartholomew, Warwickshire, England
Burial Age: 24
Reference Number: DRO 28
Archive Roll: M16/M309/M14
there is this death
NOTTINGHAM, Mary
Aston 1863 Apr-May-Jun 6D/158