David Sinclair to Esther Sizeland - 1881 Census household returns
- David Sinclair to Donald Sinclair
- Donald Sinclair to Duncan Sinclair
- Duncan Sinclair to Elizabeth Sinclair
- Elizabeth Sinclair to Frances Sinclair
- Francis Sinclair to George Sinclair
- George Sinclair to Gideon Sinclair
- Gideon Sinclair to Hugh Sinclair
- Hugh Sinclair to James Sinclair
- James Sinclair to James Sinclair
- James Sinclair to James Sinclair
- James Sinclair to James D Sinclair
- James F Sinclair to Janet Sinclair
- Janet Sinclair to John Sinclair
- John Sinclair to John Sinclair
- John Sinclair to John Sinclair
- John Sinclair to John Sinclair
- John Sinclair to John Sinclair
- John Sinclair to Julia J Sinclair
- Kate Sinclair to Margaret Sinclair
- Margaret Sinclair to Marjory Sinclair
- Marjory Sinclair to Mary Ann Sinclair
- Mary Ann Sinclair to Peter Sinclair
- Peter Sinclair to Robert Sinclair
- Robert Sinclair to Robert Sinclair
- Robert Sinclair to Sophia M G Sinclair
- St Clair Sinclair to Thomas Sinclair
- Thomas A Sinclair to William Sinclair
- William Sinclair to William Sinclair
- William Sinclair to William Sinclair
- William Sinclair to William M Sinclair
- William N Sinclair to Charles Sinclear
- Emma Sinclear to Henry Sindall
- James Sindall to Henry Sinden
- Henry Sinden to William Sinden
- William Sinden to Joseph Sinel
- Thomas Sinel to David Sinfield
- Edmund Sinfield to Richard Sinfield
- Richard Sinfield to William Sing
- William Sing to George Singer
- George Singer to John Singer
- John Singer to William Singer
- William Singer to Sophia Single
- Thomas Single to Benjamin Singleton
- Benjamin Singleton to Edward Singleton
- Edward Singleton to George Singleton
- George Singleton to Henry Singleton
- Henry Singleton to James Singleton
- James Singleton to Jessie Singleton
- Job Singleton to John Singleton
- John Singleton to John H Singleton
- John J Singleton to Lydia Singleton
- M A Singleton to Peter Singleton
- Peter Singleton to Sam Singleton
- Samuel Singleton to Thomas Singleton
- Thomas Singleton to Thomas W Singleton
- Thompson Singleton to William Singleton
- William Singleton to Nicholas Singlewood
- James Singley to Edmund E Sinkins
- Eliza Sinkins to Harry C Sinnell
- John Sinnell to John Sinney
- Fanny Sinnick to John Sinnott
- John Sinnott to James Sinton
- James Sinton to Thomas Sionson
- Michael Sioulan to Eliza Sircombe
- George Sircombe to Mary A Sirett
- Mathew Sirett to William Sirn?s
- John L Sirodel Or Sirodet to Edward Sisely
- George Siseman to Henry Sisman
- Henry Sisman to David Sissins
- John Sissins to John Sisson
- John Sisson to William Sisson
- William Sisson to James Sissons
- James Sissons to Thomas Sissons
- Thomas Sissons to Thomas Sisterson
- Thomas Sisterson to Thomas Sitdown
- William Sitdown to David Sivancott Or Livancott
- Sarah Sivaney to Mary Sivers
- Richard Sivers to Paul Sivewright
- Robert Sivewright to William Siville
- William B Siville to Amy Sivyer
- Ann Sivyer to John Sixsmith
- John Sixsmith to Esther Sizeland