Mary Jay to Sidney Jefferies - 1911 Census household returns
- Mary Jay to Robert Jay
- Robert Jay to Thomas Jay
- Thomas Jay to William Jay
- William Jay to William James Jay
- William James Puzey Jay to William Mark Jaycock
- William Robert Jaycock to Harry Edgar Jayes
- Henry Jayes to Abraham Burton Jayne
- Adam Jayne to Josiah Jayne
- Josiah Jayne to Enoch Jaynes
- Florence Annie Jaynes to Mary Ann Jays
- Naldrett Jays to Jane Jeacock
- Jobe Jeacock to Alfred Fraser Jeaffreson
- Alice Mary Jeaffreson to Albert John Jeal
- Albie Jeal to Frederick Jeal
- Frederick Jeal to Mary Jeal
- Mary Ann Jeal to William Thomas Jeal
- Willie Samson Jeal to Olive Jean
- Philip Adolphus Jean to Edward Jeanes
- Edward Jeanes to Henry Jeanes
- Henry Jeanes to Stephen John Jeanes
- Thomas Jeanes to Alfred John Jeans
- Alick Jeans to Fred Jeans
- Fred Jeans to James William Jeans
- James William Jeans to Samuel Jeans
- Samuel Jeans to Herbert Henry Jeapes
- Isabella Margery Jeapes to Maria Jeary
- Martha Emily Eveline Jeary to Mary Ann Jeavans
- William Jeavans to Benjamin Jeavons
- Benjamin Jeavons to George Edward Jeavons
- George James Jeavons to John Albert Jeavons
- John Alfred Arthur Jeavons to Samuel Jeavons
- Samuel Jeavons to William Titlay Jeavons
- Williams Jeavons to John Jebb
- John Jebb to Joskeph Jebbatt
- James Thompson Jebbelt to John Jebbutt
- C A Jebens to John Robert Jebson
- John Thomas Jebson to Robert Jeckells
- Robert Jeckells to Francis Jee
- Frederick Jee to William Fredrick Jee
- William Samuel Jee to Peter Jeeps
- Richard Jeeps to Ellen Mary Jeeves
- Ellis Jeeves to John Fletcher Jeeves
- Joseph Alfred Jeeves to Finetta Jefcoate
- Frederdick Henry Jefcoate to George Jeff
- George Arthur Jeff to William Edward Jeff
- William Francis Jeff to William Jeffcoat
- William Jeffcoat to George Wilfred Jeffcock
- H Maria Jeffcock to Ann Harriet Jeffcott
- Annie Jeffcott to Hower Stephen Jeffels
- James Jeffels to William Jefferd
- James Jefferes to Aaron Jefferies
- Abner Jefferies to Alfred Jefferies
- Alfred Jefferies to Arthur John Jefferies
- Arthur Lenthall Jefferies to Charles Jefferies
- Charles Jefferies to Edward Jefferies
- Edward Jefferies to Emma May Jefferies
- Enoch Jefferies to Frederick Jefferies
- Frederick Jefferies to George Jefferies
- George Jefferies to Henry Jefferies
- Henry Jefferies to Isaac Jefferies
- Isaac Jefferies to John Jefferies
- John Jefferies to John William Jefferies
- John William Jefferies to Maria Jefferies
- Maria Jefferies to Reginald Arthur Jefferies
- Reginald Edgar Jefferies to Sidney Jefferies