Bridget Sullivan was the maid of the Borden family, known for her role in the infamous Lizzie Borden murder case in 1892. She was present in the house during the time of the murders and later testified in court about the events that unfolded that day. Sullivan was born in 1860 in Ireland and immigrated to the United States as a child. After working for the Borden family for several years, her testimony became crucial in the trial, as she provided insights into the household dynamics and the moments leading up to the tragic events.