Constantine U'nen to Elizabeth Ulchurch - 1881 Census household returns
- Constantine U'nen to Henry Ubsdell
- J A Ubsdell to Charles Udale
- Charles Udale to Robert Udale
- Samuel Udale to Charles Udall
- David Udall to George Udall
- George Udall to John Udall
- John Udall to Matthew Udall
- Noah Udall to William Udall
- William Udall to George Udell
- Henry Udell to Edward Uden
- Elizabeth Uden to Richard Uden
- Richard Uden to John Udey
- Sampson D Udey to Henry Udy
- Henry Udy to Thomas Udy
- Thomas Udy to James Uevols
- James Uewn to William Uff
- William H Uff to Caroline Uffindell
- Celia Uffindell to Naomi Uflett
- Eliza Ufton to Samuel Ugler
- William Ugler to John Uglow
- John Uglow to William Uglow
- William Uglow to Xavier Uhlmann
- George C Uhly to Elizabeth Ulchurch