Maggie McFly was the wife of Seamus McFly. She was Irish by birth and, together with Seamus and his brother Martin, moved to the United States from Ireland in the 1880s. She was Catholic. Maggie appeared to be in her mid-twenties to early-thirties, placing her birth year in the late 1850s/early 1860s. Maggie was a no-nonsense woman, not prepared to take any hardships from anyone. Despite this, she loved her husband and their son William dearly and was caring, ready to help those in need.