John Knox to John Kyle - 1881 Census household returns
- John Knox to John Knox
- John Knox to Joseph Knox
- Joseph Knox to Mark R Knox
- Markham Knox to Peter Knox
- Peter Knox to Robert Knox
- Robert Knox to Roger Knox
- Rose L Knox to Thomas Knox
- Thomas Knox to Will Knox
- William Knox to William Knox
- William Knox to William S Knox
- William Stewart Knox to Elizabeth Knuckey
- Elizabeth Knuckey to William R Knucky
- Daniel Knudge to Henry Knutton
- Henry Knutton to Christian Koch
- Cornelius Koch to Carl Koeber
- George Koeber to Edward Kohlbeck
- Jessey Kohlbeck to Henry Kohn
- Henry J C Kohn to James Koller
- Joseph Koller to Emma Koning
- Abraham Koningswinter to George W Koplik
- Morris Koplik to Harriet Korkman
- William Korle to Henry Koser
- Kate Kosgren to Mary A Kott
- Solomon Kott to Richard Kowles
- David Evans Kowley to Adelaide Krainkyky
- Gustave Krajcuski to George Kranshaw
- Arthur Kranss to Rudolph Agust Krause
- William Krause to James Kream
- Alfred Kreamer to Theodore Kremers
- Jacob Kremm to R Kriebel
- Rebecca Kriedel to Herman Krogman
- Lars Kroguis to Catherine Krucken
- Frederick T Kruckenberg to Henry Kruse
- Henry D Kruse to William Kuck
- Robert Kuckenbecker to Carl M Kuhlmayer
- Gustav Kuhloney to Henry F Kull
- Mary Kulland to Isidor Kuner
- Isidor Kuner to Caesar Kupperschmitt
- David Kurby to Mathew Kurnan
- Charles Kurnber to Henry Chas Kurtz
- John Kurtz to William Kutchen
- John Kutchenviter to John Kyatt
- John Kyberd to James Kyd Jr
- James Kyd Sr to James Kydd
- James Kydd to William Kydd
- William Kydd to William Kyffin
- William J Kyffin to Benjamin Kyle
- Catherine Kyle to George O Kyle
- Gibson Kyle to James Kyle
- James Kyle to John Kyle