Theodore Kleiser to Thomas J W Knell - 1911 Census household returns
- Theodore Kleiser to John Baptist Klepper
- Moise Klepper to Harris Klien
- Joseph Klien to Archibald Kling
- George Kling to Edward Klippel
- Elizabeth Jane Klippel to Elizabeth Kloer
- Henry Kloer to Alice Klosy
- Emma Klosy to Robert Kluge
- Mary Ann Klugh to Lewis Oliver Klyen
- Samuel Klynard to Richard Knagg
- Robert Knagg to Flemmings Knaggs
- Florance Harrett Knaggs to James Knaggs
- James Knaggs to Martha Knaggs
- Mary Knaggs to Thomas Knaggs
- Thomas George Knaggs to Mary Ann Knape
- Priscilla Knape to Elizabeth Knapman
- Elizabeth Knapman to Grace Knapman
- Hannah Knapman to John Henry Knapman
- John J Knapman to Thomas Knapman
- Thomas Knapman to Albert Edward Knapp
- Albert Ernest Knapp to Arthur Knapp
- Arthur Knapp to Edward Knapp
- Edward Knapp to Ernest Knapp
- Ernest Frederick Knapp to George Knapp
- George Knapp to Henry Knapp
- Henry Knapp to John Knapp
- John Knapp to Lemuel Knapp
- Leonard B Knapp to Richard Daniel Knapp
- Richard Whitcher Knapp to Thomas Knapp
- Thomas A J Knapp to William Knapp
- William Knapp to David Knapper
- Edward Knapper to Joseph Knapper
- Joseph Knapper to Edwin Ernest Knappett
- Elizabeth Knappett to Alice Knapton
- Amelia Knapton to Ernest Alfred Knapton
- Ernest Herbert Knapton to Henry B Knapton
- Henry Edward Knapton to Joseph Knapton
- Joseph Knapton to T Knapton
- Thomas Knapton to Anne Knaresborough
- John Knasboro to Hermann Knauft
- Alexander Knaus to Daniel Kneale
- Daniel Kneale to Jane Kneale
- Jane Kneale to Philip Kneale
- Robert Kneale to William A Kneale
- William Alfred Kneale to Albert Knee
- Albert Knee to George Knee
- George Knee to Susan Knee
- Thomas Knee to Edwin Kneebone
- Eliza Kneebone to Joseph Henry Kneebone
- Lucy Mary Kneebone to Thomas Kneefe
- Charles Kneel to John Kneen
- John Crellin Kneen to Carl Kneer
- Charles Henry Kneer to Joseph Kneeshaw
- Joseph Kay Kneeshaw to Annie Kneinel
- John Kneip to George Knell
- George Knell to Thomas J W Knell