Mary Catherin Hellen Adams was born 10 September 1806 in Washington, D.C., United States to Walter Hellen (1769-1818) and Nancy Johnson (1773-1810) and died 31 August 1870 Quincy, Norfolk County, Massachusetts, United States of unspecified causes. She married John Adams (1803-1834) 1827 in The White House, Washington, D.C., United States.


Mary Catherine Hellen Adams was born in 1806 to Walter and Ann "Nancy" Johnson Hellen. Her grandparents were Joshua Johnson and Cathrien Nuch and her aunt, Louisa Catherine Johnson (1775-1852) married to John Quincy Adams (1767-1848), 6th President of the US.

Her husband died young and Mary became the caretaker of her elderly in-laws, John Quincy and Aunt Louisa. She later died in 1870 aged 64.

Marriage and Family

John Adams II, his older brother George and his younger brother Charles] were all rivals for the same woman, their cousin Mary Catherine Hellen, who lived with the John Quincy Adams family after the death of her parents. In 1828 John married Mary Hellen at a ceremony in the White House, and both his brothers refused to attend.

John Adams II and Mary Hellen were the parents of two daughters, Mary Louisa (December 2, 1828 - July 16, 1859) and Georgiana Frances (September 10, 1830 - November 20, 1839).


Offspring of John Adams II and Mary Catherine Hellen (1806-1870)
Name Birth Death Joined with
Mary Louisa Adams (1828-1859)
Georgeanna Francis Adams (1830-1839)




Footnotes (including sources)

‡ General


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