Enos Yaades to Albert Yardley - 1911 Census household returns
- Enos Yaades to George Yabsley
- George Yabsley to Norman Leonard Yabsley
- Philip Yabsley to Henry Yacobovitz
- Maurice Yacoby to Max Yaffo
- Morris Yaffy to Margaret Yakes
- Sarah Yakes to James Yalden
- James Yalden to James Yaldron
- Sarah Yaldron to Jane Yale
- Jane Yale to Thomas Parry Yale
- Walter John Yale to Charlotte Yalland
- Elizabeth Yalland to Albert Yallop
- Albert Yallop to Eliza Yallop
- Eliza Yallop to George Yallop
- George Yallop to James Annis Yallop
- John Yallop to Robert Yallop
- Robert Yallop to Isaac Yallowitz
- Charles Edward Yallup to Beatrice Lucy Yandall
- Charles Yandall to Frederick Yandell
- Frederick Yandell to Samuel George Yandell
- Sarah Yandell to John C Yandle
- John Gooding Yandle to Samson Yankovitch
- Israel Harris Yankovsky to Solomon Yanpolsky
- Otto Yanr to Arthur Yapp
- Arthur Yapp to Ernest A L Yapp
- Fanny Yapp to James Yapp
- James A Yapp to Miriam Yapp
- Moses Yapp to Walter Yapp
- Walter Yapp to Allen Yarborough
- Arthur Coshe Yarborough to Charles Robert Yard
- Dick Yard to John Yard
- John Yard to Walter Yard
- William Yard to John Yarde
- John Yarde to Albert Yardley