Kate Kosgren to Mary A Kott - 1881 Census household returns
- Kate Kosgren
- George Kosh
- George Kosian
- Ann Kosier
- Charles Koske
- Abraham Koski
- Charles Koski
- Mark Koski
- Phillip Koski
- Rebecca Kosky
- Robert Kosling
- Jacob Kosloski
- Betsy Kosman
- Martin Kosminski
- Philip Kosminskia
- Daniel Kosminsky
- James Kosnett
- Alexander Koss
- Henry Kossick
- Louis Kossick
- Samuel Kossick
- Edwin Kossiter
- Robert C Kost
- Abraham Koster
- Brin Koster
- Charles Koster
- Cord Koster
- Diedrich Koster
- Diedrick Koster
- Ellen Koster
- Friedrick Koster
- Henry Koster
- John Koster
- John D Koster
- John T Koster
- Luer Koster
- William T Koster
- Winter Kosters
- Ellen Kosty
- Robert Koswell
- Jessie Koszelshi
- Maud E Koszelski
- Phineas Kotaline
- James G Kothar
- Lorenz F Kothe
- William Kothe
- Margaret Kother
- Ann Kotkowski
- Ann Kotman
- Mary A Kott