Thomas Underhill to George Underwood - 1881 Census household returns
- Thomas Underhill to Walter Underhill
- Walter A Underhill to William Underhill
- William Underhill to William Underhill
- William Underhill to Joseph Underill
- Joseph Underill to Aaron Underwood
- Abraham Underwood to Alfred Underwood
- Alfred Underwood to Amelia Underwood
- Amos Underwood to Annie B Underwood
- Arthur Underwood to Berechiah Underwood
- Bermah Underwood to Charles Underwood
- Charles Underwood to Charles Underwood
- Charles Underwood to Charles Underwood
- Charles Underwood to Clementina Underwood
- Clive Underwood to David Underwood
- David Underwood to Edmund Underwood
- Edmund C Underwood to Edward Underwood
- Edward Underwood to Eli Underwood
- Eli Underwood to Elizabeth Underwood
- Elizabeth Underwood to Elizabeth A Underwood
- Elizabeth A Underwood to Enoch Underwood
- Enos Underwood to Francis Underwood
- Francis Underwood to Frederick Underwood
- Frederick Underwood to George Underwood