John Underwood to William Underwood - 1881 Census household returns
- John Underwood to John E Underwood
- John E Underwood to Joseph Underwood
- Joseph Underwood to Joseph Underwood
- Joseph Underwood to Joseph Underwood
- Joseph Underwood to Levi Underwood
- Lewis R Underwood to Martha Underwood
- Martin Underwood to Mary Underwood
- Mary Underwood to Matthew Underwood
- Matthew Underwood to Philip Underwood
- Philip H Underwood to Richard Underwood
- Richard Underwood to Robert Underwood
- Robert Underwood to Samuel Underwood
- Samuel Underwood to Samuel H Underwood
- Samuel J Underwood to Solomon Underwood
- Sophia Underwood to Thomas Underwood
- Thomas Underwood to Thomas Underwood
- Thomas Underwood to Thomas Underwood
- Thomas Underwood to Thomas Underwood
- Thomas Underwood to Thomas Underwood
- Thomas Underwood to Tom J Underwood
- Tom S Underwood to William Underwood
- William Underwood to William Underwood
- William Underwood to William Underwood