Charles F Krender to Woolf Krasnar - 1911 Census household returns
- Charles F Krender to Emma Kressinger
- Kate Kressinger to Hermann Kreye
- Anna Kreyer to Henry Kriehn
- William Kriehn to Alfred Edward Krinks
- Bernard Arnold Krinks to K Kristiansem
- Janna Amalia Kristiansen to Albert Krogmann
- Waldemar Krogsdal to Hubert Kronemeyer
- Annie Kronenberg to Annie Krotoski
- David A Krotosky to Fritz Kruger
- George Kruger to Edward Krupinsky
- Oscar Krupka to Louis Kruyer
- Phillip Kruyer to John Kucbora
- George Edward Kuce to Albert A Kuenemann
- Fredrick Kuenlen to August Kuhley
- Henry Louis Kuhling to Henry Kuhn
- Henry Kuhn to William Kuipe
- Joseph Kujawski to Simon Kuminsky
- Frank Kumle to Robert Kunert
- Albert Kunesch to William Kunz
- William Kunz to Hyman Kurash
- Seisuke Kurata to Rose Gylby Kurne
- James Kurner to Albert H Kurtz
- Catherine Ann Kurtz to Wilhelm Kurz
- William Kurz to Charles Kuss
- Eliza Donald Kuss to Israel Kutner
- Jacob Kutner to Louis Kuypers
- Willem Kuypers to Margaret Jane Kyberd
- Thomas Kyberd to David S Kydd
- Fanny Kydd to Owen Kyffin
- Percy Kyffin to Emma Kyle
- Emma Kyle to John Kyle
- John Kyle to Samuel Kyle
- Samuel Kyle to William Kyles
- William Kyles to William Kyme
- Thomas Kyme Junr to Fredrick Kynaston
- George Kynaston to John Kynaston
- John E Kynaston to Thomas Kynaston
- Thomas Kynaston to Peter Kyneston
- George Theodorine Boughton Kyngdon to John Kynoch
- John Kynoch to Albert Kyte
- Albert Kyte to Elizabeth Kyte
- Emily Kyte to James Kyte
- James Kyte to Robert George Kyte
- Robert Joseph Kyte to Jacob Kytenberg
- Emily Elizabeth Kytes to Woolf Krasnar