Joseph Cockell to John Cogan - 1881 Census household returns
- Joseph Cockell to Benjamin Cocker
- Benjamin F Cocker to George Cocker
- George Cocker to James Henry Cocker
- James Hy Cocker to Joseph Cocker
- Joseph Cocker to Richard Cocker
- Richard Cocker to Thomas Cocker
- Thomas Cocker to Francis Cockeram
- George Cockeram to James Cockerell
- James Charles Cockerell to Joseph Cockerham
- Joseph Cockerham to Emma Cockerill
- Frances Cockerill to John Cockerill
- John Cockerill to Richard Cockerill
- Richard Cockerill to William Cockerill
- William Cockerill to Lydia Cockerson
- Alfred Cockerton to William Cockerton
- William Cockerton to Thomas Cockett
- Thomas Cockett to John Cockhead
- Joseph Cockhead to Ann Cockin
- Ann Cockin to Annie Cocking
- Benjamin Cocking to Henry Cocking
- Henry Cocking to Joseph Cocking
- Joseph Cocking to Thomas Cocking
- Thomas Cocking to Rachel Cockinge
- Ann Cockings to Henry Cockle
- Henry Cockle to Daniel Cocklin
- Denis Cocklin to David Cockman
- Edward Cockman to Charles Cockram
- Charles Cockram to John Cockram
- John Cockram to William Cockram
- William Cockram to James Cockrane
- James Cockrane to John Cockrell
- John Cockrell to Charles Cockrill
- Charles Cockrill to Caleb Cockroft
- Charles Cockroft to James Cockroft
- James Cockroft to Maria Cockroft
- Maria Cockroft to William Cockroft
- William Cockroft to Charlotte A Cocks
- Clara Mary Cocks to Henry Cocks
- Henry Cocks to John Cocks
- John Cocks to Richard B Cocks
- Richard F Cocks to William Cocks
- William Cocks to George Cocksedge
- George Cocksedge to Joseph Cocksey
- Richard Cocksey to Thomas Cockshoot
- William Cockshoot to John Cockshott
- John Cockshott to Angelo Cockshutt
- Dan Cockshutt to Charles Cockvill
- John Cockville to Alfred Codd
- Alfred Codd to George Codd
- George Codd to Mary Codd
- Mary Codd to William Codd
- William Codd to Walter Coddington
- William Coddington to David Codlet
- Francis John Codlett to George Codling
- George Codling to John E Codling
- John Robert Codling to William Codling
- William Codling to James W Codrington
- Jane Codrington to Adele Coe
- Albert Coe to Benjamin Coe
- Benjamin Coe to Daniel Coe
- Daniel Coe to Ernest O Coe
- Esther Coe to George Coe
- George Coe to Henry Coe
- Henry Coe to James Coe
- James Coe to John Coe
- John Coe to Joseph Coe
- Joseph Coe to Mercy Coe
- Mitchmans Coe to Samuel Coe
- Samuel Coe to Thomas W Coe
- Thomas W B Coe to William Coe
- William Coe to John Coell
- Sophia Coell to James Coffee
- James Coffee to Andrew Coffey
- Andrew C Coffey to Julia Coffey
- Margaret Coffey to Thomas Coffey
- Thomas Coffey to Elizabeth Coffin
- Frederick Coffin to Maud Coffin
- R J M Coffin to James Junr Coffyn
- Thomas Coffyn to John Cogan