Mary Jane Hazellett (maiden name unknown) was born around 1810 in Ireland. Her son William was born around 1837. They immigrated to America sometime before 1850 and settled in Hector, New York. She married Richard Hazellett sometime before 1850. They moved to Lodi, New York, in the 1850s, and her husband worked as a farm laborer. By 1860, they owned $200 of real estate and $50 of personal property. Her husband died in 1869. She remained in Lodi, and by 1870, she owned $350 of real estate and $150 of personal property. She died in 1883.