Baptised in St Clement Danes.1,2,3

From the Parish Register :-
"1797 March Baptisms
Mary Cooper of Philip & Harriet"

Licence obtained for marriage to John William Thomas SPARKS.16

APPEARED PERSONALLY John William Thomas Sparks Esquire and made Oath that he is of the Parish of Saint Botolph Aldersgate London a Bachelor of the age of twenty one years and upwards and intendeth to marry with Mary Cooper of the Parish of Saint James Westminster in the County of Middlesex a Spinster also of the age of twenty one years and upwards and that he knoweth of no lawful Impediment, by Reason of any Pre-Contract, Consanguinity, Affinity, or any other lawful Means whatsoever, to hinder the intended Marriage, and prayed a Licence to solemnize the same in the Parish Church of Saint James Westminster aforesaid and further made Oath , that the usual Place of Abode of her the said Mary Cooper hath been in the said Parish of Saint James Westminster for the Space of Four Weeks last past.
(Signed) J W T Sparks

Married John William Thomas SPARKS in Westminster, St James Piccadilly.27,28,29,30

From the Parish Register :-
Marriage 1818
"No. 197, John William Thomas Sparks Esquire of the Parish of St Botolph Aldersgate London a Bachelor Mary Ann Cooper of this Parish a Spinster were married in this Church by Licence this second day of June in the year of 1818 by me Gerard Andrews Rector .
This marriage was solemnized between us John W T Sparks, Mary Cooper
In the presence of us Philip Cooper, Robt Harry Sparks."

From the Times and the Morning Post :-
"On Tuesday, the 2nd inst., at St James's, by the very Revered the Dean of Canterbury, John W. T. Sparks, Esq., of St John-street, to Mary, second daughter of Philip Cooper, Esq., of Waterloo-place."

Research Note :-
This Parish Register is the only place that gives Mary Cooper's first name as "Mary Ann". Indeed she signed the Register as "Mary Cooper". Her Baptism record, her death record and her Will all gave her first name as being "Mary".

Mentioned in Will.4

Of David Cooper (1753-1819)
Annotated as :-
"my dear nephews and nieces Susan Cooper Mary the wife of Mr. John Sparks James Cooper Margaret Cooper and David Cooper"

Birth of son Thomas Philip SPARKS in City of London.17,18

Birth of son John SPARKS in City of London, St Sepulchre Holborn.19

Witness at wedding in Westminster, St James Piccadilly.5,6

Of Susanna Cooper & Charles Terry

Birth of son Charles Terry SPARKS in City of London, St Sepulchre Holborn.20

Birth of daughter Mary Harriet SPARKS.21

Death of John William Thomas SPARKS in St John Street.22,23,24,25,26

Mentioned in Will.7

of Dorothy Wright
Described as :-
"my god-daughter Mary the daughter of my sister Cooper's son Philip"

Research Note :-
"her sister Cooper" was Rebecca Wright who married David cooper in 1743.

Resident in Henley.8

Described as being a resident of Henley on Thames, and also being a Widow, in her father's will signed on 10 December 1830.

Mentioned in Will.8

Of Philip Cooper (1755-1846)
Annotated as "my said children (...) Mary Sparks of Henley on Thames, aforesaid widow (...)"

Mentioned in Codicil to Will.8

Of Philip Cooper (1755-1846)
First codicil
Annotated as "my daughters Mary Sparks and Margaret Otway Cooper"

Mentioned in Codicil to Will.8

Of Philip Cooper (1755-1846)
Second codicil
Annotated as :-
"there are five children and no more of me and my said late wife Harriett Cooper that is to say Susan Terry the wife of Charles Terry Mary Sparks widow James Cooper Margaret Otway Cooper and David Cooper"

Mentioned in Will.9

Of Sophia Welstead
Described as "Mary Sparks"

Mentioned in Codicil to Will.8

Of Philip Cooper (1755-1846)
Third and final codicil
Annotated as :-
"my children Susan Terry Mary Sparks James Cooper Margaret Otway Cooper and David Cooper"

Directories.10

Pigot & Co.'s Directory of Berks, Bucks, etc, 1844
Henley-on-Thames
Nobility, Gentry and Clergy
Sparks, Mrs. - Bell St

Wrote will.11

"This is the last Will and Testament of me Mary Sparks of Henley on Thames in the county of Oxford widow ..."
Witnesses :-
Henry Jackson, Gentleman, Henley on Thames
Lucy Jackson, spinster, Henley on Thames

Names mentioned .-
1. "my daughter Mary Harriet the wife of Charles Augustus Towsey"
2. "my brothers Philip Barratt Cooper and James Cooper"
3. "my four children Thomas Philip Sparks John Sparks Charles Terry Sparks and my said daughter Mary Harriet Towsey"

Occupation Fund Holder.12

Recorded in census in Henley (Bell Street).12

Head of household
Annotated as "Widow"
Staff x 3
Also in household :-
Susanna Terry annotated as "Sister"
James Cooper annotated as "Uncle"

Died in Henley.13,14

From the Times :-
"On the 28th ult., at Henley-upon-Thames, of disease of the heart, Mary, widow of the late John W. T. Sparks, Esq., of St. John's-road, London, aged 58"

Probate in Prerogative Court of Canterbury.11

Joint Executors :-
Philip Barrett Cooper the brother
James Cooper the brother

Mentioned in Will.15

of Philip Barrett Cooper
Described as "the four children of my late sister Mary Sparks namely Thomas Philip Sparks, John Sparks, Charles Terry Sparks and Mary Harriet Towsey the wife of Charles Augustus Towsey"