Margaret Brockden Duncan was born in Philadelphia County, USA on 11 September 1794 to Isaac Duncan and Mary (nee Massey). Her mother died in 1799 and her father may have died before this. She was the only surviving child from the family.

Margaret married William Williams Brown on 23 November 1812 at St Peter’s Church in Leeds and they had the following children:

Margaret died on 23 May 1820 and was buried in the churchyard at St Matthew’s.

Gravestone of Margaret Brockden Duncan

SACRED
TO THE MEMORY OF
MARGARET BROCKDEN
WIFE OF
WILLIAM WILLIAMS BROWN ESQR
OF CHAPEL ALLERTON
BORN AT PHILADELPHIA,
UNITED STATES OF AMERICA,
11 SEPR 1794
DIED 23 MAY 1820
AGED 25 YEARS
ALSO
OF THEIR DAUGHTER
ANNE WILLIAMS
WIFE OF
THOMAS BENYON ESQR
GLEDHOW HALL
DIED 18 DECR 1852
AGED 39 YEARS