Mary Osbourne (née Tatlock) and her husband Thomas lived at 1 Coronation Street from 1907 to 1915.

Thomas angered his parents by marrying a non-Jew and was made to leave their home. He was taken in by Mary's parents until Louisa Tatlock, Mary's mother, secured them the tenancy of No.1. Thomas worked at a tailoring factory and Mary at Hardcastle's Mill. After Mary's brother and sister-in-law's deaths, they took on partial responsibility for her nephews Alfred and Albert Tatlock. In 1915, with war raging and Albert in France, Thomas decided to move the Osbournes into his family's large house in south Manchester.

Mary first appeared in Daran Little and Bill Hill's "Weatherfield Life", published in 1992. Other information is derived from Little's follow-up book, "Around the Coronation Street Houses".
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