She was born in August, 1852 in Louisiana. Her parents John Wilkinson and Jane McCullough who were both born in England. She married William "Willie" Hanna Madden on 22 Feb 1879 in Calhoun, Texas. She died on 10 September 1931 in Seadrift, Calhoun County and is buried on Matagorda Island.
The 1870 US Census lists her as 17 years old living in Matagorda, Calhoun County, Texas (PO in Saluria) with:
John Wilkinson - 57
George Wilkinson - 27
Arthur Wilkinson - 23
Archibald Wilkinson - 15
Fanny Wilkinson - 13
Robert Wilkinson - 10
Children of Margaret Wilkinson Madden and William Hanna Madden:
i. Ruth Elvira
ii. Aura
iv. Jane "Janie"
vii. Margaret "Maggie"