His baptism transcript, from an image of the Bishop’s Transcript on Ancestry.co.uk, by me:

“An Account of the Marriages, Baptisms & Burials in the Parish Church of Barton Seagrave Northamptonshire from April 1803 to April 1804. . . .
“. . . .
“Baptisms
“. . . .
Richard Henry, son of Richard Bruce & Eleanor Stopford was baptized January 1st 1904”
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In 1851 they had no children and were in Chaple St, St Geo Han Sq, London:

First name(s)  Last name  Relationship  Marital status  Sex  Age  Birth year  Occupation  Birth place
Richard H  Stopford  Head  M  M  47  1804  Captian r n   Barton, Northumberland, England
Frances    Stopford  Wife  M  F  36  1815  -             Northamptonshire, England
Elizabeth  Danier    Serv  U  F  25  1826  Ladress maid  -

Ref:
Archive reference  HO107
Piece number       1476
Folio              251
Page               6
Combined:          1851 ref: HO107, piece 1476, folio 251, p. 6
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In 1861 they still had no children, he was a half-pay captain and they were living in lodgings.
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In 1871 still no children visible, he was a vice admiral and they were living in some style again at 4 Chapel Street, Grosvenor Square, St George Hanover Square, London:

First name(s)  Last name  Relationship  Marital status  Sex  Age  Birth year  Occupation  Birth place
Richard H  Stopford  Head  M M  67  1804  Vice Admiral Royal Navy  Barton Seagrave, Northamptonshire
Frances    Stopford  Wife  M F  56  1815  -                        Northampton
Thomas     Towsey    Serv  U M  41  1830  Servant                  Tetsworth, Oxon
Ellen      Munty     Serv  U F  27  1844  Lady’s Maid              Marylebone, Middlesex
Harriet    Hayes     Serv  U F  31  1840  Cook                     Nelford(?), Berkshire
Mary Ann   McLeod    Serv  U F  29  1842  Housemaid                Keatley(?), Scotland

Ref:
Archive reference  RG10
Piece number       102
Folio              5
Page               2
Combined:          1871 ref: RG10, piece 102, folio 5, p. 2
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Searches for baptisms and births with the Stopford surname and either their forenames or her maiden name produced nil results.
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From the London Gazette of 23 June 1876, p. 3616:

“Admiralty, 22nd June, 1876
“. . . .
“Vice-Admiral Richard Henry Stopford to be Admiral on the Reserved List.”
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His death Index:

Name:                      Age at Death (in years):  
STOPFORD, RICHARD HENRY    91  
GRO Reference: 1895  M Quarter in PADDINGTON  Volume 01A  Page 68
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His probate index:

1895
STOPFORD Richard Henry of 44 Albion-Street Hyde park Middlesex admiral in Her Majesty’s navy died 18 February 1895  Probate London 2 April to Christopher Smyth gentleman  Effects £351 4s. 2d.
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Their marriage index:

First name(s)     Richard Henry
Last name         Stopford
Marriage quarter  2
Marriage year     1847
MarriageFinder    Richard Henry Stopford married one of these people
                  Frances Smyth
District          Hardingstone
County            Northamptonshire
Country           England
Volume            15
Page number       375
Record set        England & Wales Marriages 1837-2005
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