John Knapp to Lemuel Knapp - 1911 Census household returns
- John Knapp
- John Knapp
- John Knapp
- John Knapp
- John Knapp
- John Knapp
- John Knapp
- John Knapp
- John Knapp
- John Knapp
- John Knapp
- John Knapp
- John Knapp
- John Knapp
- John Knapp
- John Knapp
- John Knapp
- John Knapp
- John Knapp
- John Knapp
- John Knapp
- John Knapp
- John Knapp
- John Knapp
- John Arthur Knapp
- John Charles Knapp
- John Christopher Knapp
- John Edwin Knapp
- John Goddard Knapp
- John Hagon Knapp
- John Henry Knapp
- John James Knapp
- John Matthew Knapp
- John Painter Knapp
- John Richard Knapp
- John Thomas Knapp
- John Thomas Knapp
- John Waller Knapp
- Jonathan William Knapp
- Jorath Richard Knapp
- Joseph Knapp
- Joseph Knapp
- Joseph Knapp
- Joseph Knapp
- Joseph Knapp
- Joseph Knapp
- Joseph Edwin Knapp
- Joseph Henry Knapp
- Joseph Paulin Knapp
- Joseph Theodore Knapp
- Joseph Williams Knapp
- James Knapp
- Kate Knapp
- Laura Knapp
- Lemuel Knapp