Boyle still lives in the family home, a four-bedroom council house, with her 10-year-old cat, Pebbles. Her father died in the 1990s, and her siblings had left home. Boyle never married, and she dedicated herself to care for her ageing mother until she died in 2007 at the age of 91. Boyle has a reputation for modesty and propriety, admitting during her first appearance on Britain’s Got Talent that she had “never been married, never been kissed”. A neighbour reported that when Bridget Boyle died, her daughter “wouldn’t come out for three or four days or answer the door or phone.”
Boyle is Catholic, who sang in her church choir, at her church in Blackburn, West Lothian, Scotland. . Boyle remains active as a volunteer at her church, visiting elderly members of the congregation in their homes.
On a 2010 episode of the Oprah Winfrey Show, Boyle summarized that her daily life was “mundane” and “routine” prior to stardom.