Hi Lyn 
I have found the following, but I’m not certain they are your John and Maria, but I can only find this marriage on FMP or Free BMD.
[TABLE="width: 770"]
[TR]
[TD]
Name:
[/TD]
[TD]
SAUNDERS,  John
[/TD]
[/TR]
[TR]
[TD]
Registration district:
[/TD]
[TD]
St. George Hanover Square
[/TD]
[/TR]
[TR]
[TD]
County:
[/TD]
[TD]
London
[/TD]
[/TR]
[TR]
[TD]
Year of registration:
[/TD]
[TD]
1869
[/TD]
[/TR]
[TR]
[TD]
Quarter of registration:
[/TD]
[TD]
Apr-May-Jun
[/TD]
[/TR]
[TR]
[TD]
Spouse's last name:
[/TD]
[TD]
Not available before 1912
[/TD]
[/TR]
[TR]
[TD]
Volume no:
[/TD]
[TD]
1A
[/TD]
[/TR]
[TR]
[TD]
Page no:
[/TD]
[TD]
496
[/TD]
[/TR]
[/TABLE]
 
MarriageFinder: 
 John Saunders married one of the following people:
·         
ADAMS, Mary
·         
PALMER, Maria
·         
CHAPMAN, Thomas
 
1871 census transcription details for:  Charles Henry Street Court House, Birmingham
National Archive Reference:
[TABLE="width: 770"]
[TR]
[TD]
RG number:
[/TD]
[TD]
RG10
[/TD]
[/TR]
[TR]
[TD]
Piece:
[/TD]
[TD]
3105
[/TD]
[/TR]
[TR]
[TD]
Folio:
[/TD]
[TD]
109
[/TD]
[/TR]
[TR]
[TD]
Page:
[/TD]
[TD]
18     
[/TD]
[/TR]
[TR]
[TD]
Reg. District:
[/TD]
[TD]
Birmingham
[/TD]
[/TR]
[TR]
[TD]
Sub District:
[/TD]
[TD]
St Martin
[/TD]
[/TR]
[TR]
[TD]
Parish:
[/TD]
[TD]
Birmingham
[/TD]
[/TR]
[TR]
[TD]
Enum. District:
[/TD]
[TD]
17
[/TD]
[/TR]
[TR]
[TD]
Ecclesiastical District:
[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]
City/Municipal Borough:
[/TD]
[TD]
Birmingham
[/TD]
[/TR]
[TR]
[TD]
Address:
[/TD]
[TD]
Charles Henry Street Court House, Birmingham
[/TD]
[/TR]
[TR]
[TD]
County:
[/TD]
[TD]
Warwickshire
[/TD]
[/TR]
[/TABLE]
 
Name 
 | Relation 
 | Condition 
 | Sex 
 | Age 
 | Birth Year 
 | Occupation 
 | Where Born 
 | 
SAUNDERS, Maria 
 | Head Wife 
 |  |  F 
 | 25 
 | 1846 
 |  | Warwickshire 
 | 
SAUNDERS, Ada 
 | Daughter 
 |  |  F 
 | 2 
 | 1869 
 |  | Warwickshire 
 | 
SAUNDERS, Sarah 
 | Daughter 
 |  |  F 
 | 1 
 | 1870 
 |  | Warwickshire 
 | 
SAUNDERS, John 
 | Son 
 |  |  M 
 | 0 
 | 1871 
 |  | Warwickshire 
 | 
SAUNDERS, Elizth 
 | Sister-In-Law 
 |  |  F 
 | 39 
 | 1832 
 |  | Warwickshire 
 | 
SAUNDERS, Mary Ann 
 | Niece 
 |  |  F 
 | 8 
 | 1863 
 |  | Warwickshire 
 | 
SAUNDERS, Amelia 
 | Niece 
 |  |  F 
 | 1 
 | 1870 
 |  | Warwickshire 
 | 
  
1871 census transcription details for:  Savoy Hill, Savoy, Precinct, Westminster
National Archive Reference:
[TABLE="width: 770"]
[TR]
[TD]
RG number:
[/TD]
[TD]
RG10
[/TD]
[/TR]
[TR]
[TD]
Piece:
[/TD]
[TD]
364
[/TD]
[/TR]
[TR]
[TD]
Folio:
[/TD]
[TD]
83
[/TD]
[/TR]
[TR]
[TD]
Page:
[/TD]
[TD]
11     
[/TD]
[/TR]
[TR]
[TD]
Reg. District:
[/TD]
[TD]
Strand
[/TD]
[/TR]
[TR]
[TD]
Sub District:
[/TD]
[TD]
St Mary Le Strand
[/TD]
[/TR]
[TR]
[TD]
Parish:
[/TD]
[TD]
Savoy, Precinct
[/TD]
[/TR]
[TR]
[TD]
Enum. District:
[/TD]
[TD]
10
[/TD]
[/TR]
[TR]
[TD]
Ecclesiastical District:
[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]
City/Municipal Borough:
[/TD]
[TD]
Westminster
[/TD]
[/TR]
[TR]
[TD]
Address:
[/TD]
[TD]
Savoy Hill, Savoy, Precinct, Westminster
[/TD]
[/TR]
[TR]
[TD]
County:
[/TD]
[TD]
London, Middlesex
[/TD]
[/TR]
[/TABLE]
 
Name 
 | Relation 
 | Condition 
 | Sex 
 | Age 
 | Birth Year 
 | Occupation 
 | Where Born 
 | 
LONG, Alfred 
 | Lodger 
 |  |  M 
 | 49 
 | 1822 
 |  | Gloucestershire 
 | 
SAUNDERS, John 
 | Lodger 
 | Married 
 |  M 
 | 25 
 | 1846 
 | Gun Barrel  
Maker  
 | Birmingham 
Warwickshire 
 | 
  
1881 census transcription details for:  180, Herbert Rd, Aston
National Archive Reference:
[TABLE="width: 770"]
[TR]
[TD]
RG number:
[/TD]
[TD]
RG11
[/TD]
[/TR]
[TR]
[TD]
Piece:
[/TD]
[TD]
3020
[/TD]
[/TR]
[TR]
[TD]
Folio:
[/TD]
[TD]
131
[/TD]
[/TR]
[TR]
[TD]
Page:
[/TD]
[TD]
42     
[/TD]
[/TR]
[TR]
[TD]
Reg. District:
[/TD]
[TD]
Aston
[/TD]
[/TR]
[TR]
[TD]
Sub District:
[/TD]
[TD]
Deritend
[/TD]
[/TR]
[TR]
[TD]
Parish:
[/TD]
[TD]
Aston
[/TD]
[/TR]
[TR]
[TD]
Enum. District:
[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]
Ecclesiastical District:
[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]
City/Municipal Borough:
[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]
Address:
[/TD]
[TD]
180, Herbert Rd, Aston
[/TD]
[/TR]
[TR]
[TD]
County:
[/TD]
[TD]
Warwickshire
[/TD]
[/TR]
[/TABLE]
 
Name 
 | Relation 
 | Condition 
 | Sex 
 | Age 
 | Birth Year 
 | Occupation , Disability 
 | Where Born 
 | 
SAUNDERS, Johan 
 | Head 
 | Married 
 |  M 
 | 35 
 | 1846 
 | Gun Barrel Maker 
 | Bham, Warwickshire 
 | 
SAUNDERS, Maria 
 | Wife 
 | Married 
 |  F 
 | 36 
 | 1845 
 |  | Bham, Warwickshire 
 | 
SAUNDERS, Ada 
 | Daughter 
 | Single 
 |  F 
 | 12 
 | 1869 
 | Scholar 
 | Birmingham, Warwickshire 
 | 
SAUNDERS, Sarah 
 | Daughter 
 | Single 
 |  F 
 | 11 
 | 1870 
 | Scholar 
 | Birmingham, Warwickshire 
 | 
SAUNDERS, John 
 | Son 
 | Single 
 |  M 
 | 10 
 | 1871 
 | Scholar 
 | Birmingham, Warwickshire 
 | 
SAUNDERS, William 
 | Son 
 | Single 
 |  M 
 | 7 
 | 1874 
 | Scholar 
 | Birmingham, Warwickshire 
 | 
SAUNDERS, Amelia 
 | Daughter 
 | Single 
 |  F 
 | 6 
 | 1875 
 | Scholar 
 | Birmingham, Warwickshire 
 | 
SAUNDERS, Florence 
 | Daughter 
 | Single 
 |  F 
 | 4 
 | 1877 
 | Scholar 
 | Birmingham, Warwickshire 
 | 
SAUNDERS, Alfred 
 | Son 
 | Single 
 |  M 
 | 2 
 | 1879 
 |  | Birmingham, Warwickshire 
 | 
PERRY, Selina 
 | Servant 
 | Single 
 |  F 
 | 14 
 | 1867 
 | General Servant 
 | Birmingham, Warwickshire 
 | 
  
1891 census transcription details for:  60, Cattell Road, Aston, Bordesley, Birmingham
National Archive Reference:
[TABLE="width: 770"]
[TR]
[TD]
RG number:
[/TD]
[TD]
RG12
[/TD]
[/TR]
[TR]
[TD]
Piece:
[/TD]
[TD]
2414
[/TD]
[/TR]
[TR]
[TD]
Folio:
[/TD]
[TD]
69
[/TD]
[/TR]
[TR]
[TD]
Page:
[/TD]
[TD]
9     
[/TD]
[/TR]
[TR]
[TD]
Reg. District:
[/TD]
[TD]
Aston
[/TD]
[/TR]
[TR]
[TD]
Sub District:
[/TD]
[TD]
Deritend
[/TD]
[/TR]
[TR]
[TD]
Parish:
[/TD]
[TD]
Aston
[/TD]
[/TR]
[TR]
[TD]
Enum. District:
[/TD]
[TD]
75
[/TD]
[/TR]
[TR]
[TD]
Ecclesiastical District:
[/TD]
[TD]
St Andrews
[/TD]
[/TR]
[TR]
[TD]
City/Municipal Borough:
[/TD]
[TD]
Birmingham
[/TD]
[/TR]
[TR]
[TD]
Address:
[/TD]
[TD]
60, Cattell Road, Aston, Bordesley, Birmingham
[/TD]
[/TR]
[TR]
[TD]
County:
[/TD]
[TD]
Warwickshire
[/TD]
[/TR]
[/TABLE]
 
Name 
 | Relation 
 | Condition 
 | Sex 
 | Age 
 | Birth Year 
 | Occupation , Disability 
 | Where Born 
 | 
SAUNDERS, John 
 | Head 
 | Married 
 |  M 
 | 43 
 | 1848 
 | Gun Maker 
 | Birmingham, Warwickshire 
 | 
SAUNDERS, Maria 
 | Wife 
 | Married 
 |  F 
 | 44 
 | 1847 
 |  | Birmingham, Warwickshire 
 | 
SAUNDERS, Sarah 
 | Daughter 
 | Single 
 |  F 
 | 21 
 | 1870 
 | Book Keeper 
 | Birmingham, Warwickshire 
 | 
SAUNDERS, John 
 | Son 
 | Single 
 |  M 
 | 20 
 | 1871 
 | Gun Barrel Filer 
 | Birmingham, Warwickshire 
 | 
SAUNDERS, William 
 | Son 
 | Single 
 |  M 
 | 17 
 | 1874 
 | Gun Barrel Filer 
 | Birmingham, Warwickshire 
 | 
SAUNDERS, Amelia 
 | Daughter 
 | Single 
 |  F 
 | 15 
 | 1876 
 | Warehouse Girl 
 | Birmingham, Warwickshire 
 | 
SAUNDERS, Florence 
 | Daughter 
 | Single 
 |  F 
 | 14 
 | 1877 
 | Scholar 
 | Birmingham, Warwickshire 
 | 
SAUNDERS, Arthur 
 | Son 
 |  |  M 
 | 11 
 | 1880 
 | Scholar 
 | Birmingham, Warwickshire 
 | 
PALMER, Sarah 
 | Mother 
 | Widow 
 |  F 
 | 74 
 | 1817 
 |  | Warwickshire 
 | 
HEAL, Emma 
 | Servant 
 | Single 
 |  F 
 | 19 
 | 1872 
 | Domestic Servant 
 | Cardiff 
 | 
  
1901 census transcription details for:  5, Bankes Road, Aston
National Archive Reference:
[TABLE="width: 770"]
[TR]
[TD]
RG number:
[/TD]
[TD]
RG13
[/TD]
[/TR]
[TR]
[TD]
Piece:
[/TD]
[TD]
2866
[/TD]
[/TR]
[TR]
[TD]
Folio:
[/TD]
[TD]
46
[/TD]
[/TR]
[TR]
[TD]
Page:
[/TD]
[TD]
1     
[/TD]
[/TR]
[TR]
[TD]
Reg. District:
[/TD]
[TD]
Aston
[/TD]
[/TR]
[TR]
[TD]
Sub District:
[/TD]
[TD]
Deritend
[/TD]
[/TR]
[TR]
[TD]
Parish:
[/TD]
[TD]
Aston
[/TD]
[/TR]
[TR]
[TD]
Enum. District:
[/TD]
[TD]
99
[/TD]
[/TR]
[TR]
[TD]
Ecclesiastical District:
[/TD]
[TD]
St Oswalds
[/TD]
[/TR]
[TR]
[TD]
City/Municipal Borough:
[/TD]
[TD][/TD]
[/TR]
[TR]
[TD]
Address:
[/TD]
[TD]
5, Bankes Road, Aston
[/TD]
[/TR]
[TR]
[TD]
County:
[/TD]
[TD]
Warwickshire
[/TD]
[/TR]
[/TABLE]
 
Name 
 | Relation 
 | Condition 
 | Sex 
 | Age 
 | Birth Year 
 | Occupation , Disability 
 | Where Born 
 | 
SAUNDERS, John 
 | Head 
 | Married 
 |  M 
 | 56 
 | 1845 
 | Gun Maker (Sporting) 
 | Birmingham, Warwickshire 
 | 
SAUNDERS, Maria 
 | Wife 
 | Married 
 |  F 
 | 56 
 | 1845 
 |  | Birmingham, Warwickshire 
 | 
SAUNDERS, Amelia 
 | Daughter 
 | Single 
 |  F 
 | 25 
 | 1876 
 |  | Birmingham, Warwickshire 
 | 
SAUNDERS, Arthur 
 | Son 
 | Single 
 |  M 
 | 21 
 | 1880 
 | Gun Maker (Sporting) 
 | Birmingham, Warwickshire 
 | 
KEMP, Sarah 
 | Daughter 
 | Married 
 |  F 
 | 31 
 | 1870 
 |  | Birmingham, Warwickshire 
 | 
KEMP, Howard 
 | Grand Son 
 | Single 
 |  M 
 | 6 
 | 1895 
 |  | Birmingham, Warwickshire 
 | 
KEMP, Elsie 
 | Grand Daughter 
 |  |  F 
 | 4 
 | 1897 
 |  | Birmingham, Warwickshire 
 | 
HARPER, George 
 | Grand Son 
 |  |  M 
 | 5 
 | 1896 
 |  | Birmingham, Warwickshire 
 | 
WELDON, Sarah 
 | Servant 
 | Single 
 |  F 
 | 25 
 | 1876 
 |  | Birmingham, Warwickshire 
 | 
  
1911 census transcription details for:  27 St Pauls Road Balsall Heath Birmingham
National Archive Reference:
RG14PN17902 RG78PN1092 RD383 SD2 ED18 SN25
[TABLE="width: 770"]
[TR]
[TD]
Reg. District:
[/TD]
[TD]
Kings Norton
[/TD]
[/TR]
[TR]
[TD]
Sub District:
[/TD]
[TD]
Balsall Heath
[/TD]
[/TR]
[TR]
[TD]
Parish:
[/TD]
[TD]
Balsall Heath
[/TD]
[/TR]
[TR]
[TD]
Enum. District:
[/TD]
[TD]
18
[/TD]
[/TR]
[TR]
[TD]
Address:
[/TD]
[TD]
27 St Pauls Road Balsall Heath Birmingham
[/TD]
[/TR]
[TR]
[TD]
County:
[/TD]
[TD]
Worcestershire
[/TD]
[/TR]
[/TABLE]
 
Name 
 | Relation 
 | Condition/ 
 Yrs married 
 | Sex 
 | Age 
 | Birth Year 
 | Occupation 
 | Where Born 
 | 
SAUNDERS, John 
 | Head 
 | Married 
 |  M 
 | 67 
 | 1844 
 | Employer Gunmaker 
 | Birmingham 
 | 
SAUNDERS, Maria 
 | Wife 
 | Married 
 45 years 
 |  F 
 | 68 
 | 1843 
 |  | Birmingham 
 | 
SAUNDERS JUNR, John 
 | Son 
 | Single 
 |  M 
 | 39 
 | 1872 
 | Assisting In Father Business 
 | Birmingham 
 | 
SAUNDERS, Amelia 
 | Daughter 
 | Single 
 |  F 
 | 32 
 | 1879 
 | Assisting In Household Duties 
 | Birmingham 
 | 
HARPER, George Henry 
 | Nephew 
 | Single 
 |  M 
 | 15 
 | 1896 
 | Assisting In Business 
 | Birmingham 
 | 
 Hope it helps Bewdley