Sources for "Martha Ann McNitt and
- Census of Lisbon, Ottawa County, MI, 1880.
- Census of Woodville Township, Sandusky County, OH, 1850.
- Census of Wright Township, Ottawa County, MI, 1860 (population and agriculture schedules)
- Gravestones in Wells Cemetery, Wright Township, Ottawa County, MI.
- Information from Denise Shooks who received it from John McNitt's granddaughter Harriet.
- Land Records of Ottawa County, MI.
- Land Records of Sandusky County, OH.
- Marriage Records of Seneca County, OH.