Susan Agnes Macdonald née Bernard (August 24, 1836 – September 5, 1920) was the second wife of Sir John A. Macdonald, the first Prime Minister of Canada. She was granted the title Baroness Macdonald of Earnscliffe following her husband's death in 1891.
She was born in Jamaica to The Honourable T.J. Bernard and his wife, Theodora Foulks. She was raised there and in England before she came to Canada with her mother to live with her brother, Hewitt, a lawyer. It was through him that she met Sir John A. Macdonald for the first time in 1856. It was in 1866, in London, England, where Miss Macdonald had been with her mother that she saw her husband to be who was there to prepare the British North America Act. They married on February 16, 1867 and had one daughter, Margaret Mary Theodora Macdonald, who was severely handicapped both mentally and physiclly (1869-1933).
By 1896 she left her home at Earnscliffe to go back to England. Allthrough her life she was known as Agnes, she died in England and was buried in the Ocklynge Cemetery in Eastbourne, a city just south of London.
She was known as a lady of charming personality, with a courageous and happy disposition. She had the faculty of making and holding friendships, and was a true helpmeet to her husband.
During her stay in Canada with her husband, she became intimately acquainted with many of the intricacies of the political and historical events of the country and displayed her love of it in the sentiments expressed in many magazine and Press articles.
In England, despite the weight of years, her participation in social and philanthropic work was active.
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