Born in St Ann Agnes, Foster Lane.1

From Dr Williams Library Register :-
"B.No.979
"These are to Certify, That Susanna Hennell Daughter of Robert Hennell and Susanna his Wife, who was Daughter of Jonathen Jee, was Born in Foster Lane in the Parish of St Ann Agnes in the City of London this third Day of December in the Year 1775 at whose birth were present.
(signed) H. Hennell, Elizabeth Hennell
Registered at Dr William's Library, in Redcross-street, near Cripplegate, London.
Dec 2, 1776. James Pickbourn Register"

Research Note :-
Register in Dr Williams Library on the same day as her siblings

Married William FLOWERS in St Marylebone.3

By Banns
Groom - William Flowers, of St Marylebone parish, bachelor
Bride - Susanna Hennell, of  St Marylebone parish, spinster

Mentioned in Will.2

of Susannah Hennell - was Jee
Described as :-
"my three daughters Ann Catherine Ward the wife of William Ward of the Stock Exchange London Gentleman Susanna Flowers the wife of William Flowers of the Stock Exchange aforesaid Esquire and Hannah Hennell of Edmonton aforesaid spinster"

Executor.2

of the estate of Susannah Hennell
Joint executors :-
Ann Catherine Ward wife of William Ward Esquire
Susanna Flower wife of William Flower Esquire
Hannah Hennell spinster
"the daughters"