
| Surname | Place | Period | Submitted by | Email Address |
| CAVAN | Hogsthorpe | 1870-1874 | Nick Cavan | nick.cavan@homecall.co.uk |
| CHAPMAN | Kirkby Underwood | 17-18c | Elizabeth Gill | elizgill@melbpc.org.au |
| CHILDS | Gedney | 1810-1882 | Del Childs | delchilds@hotmail.com |
| COLAM | Lincolnshire | all | John Colam | john@colam.co.uk |
| COOPER | Brigg/Stathern/Caistor | 19c | John Colam | john@colam.co.uk |
| CORDEN | Louth/Grimsby | 18-19c | Patrick Bucknell | p16m02@tesco.net |
| CORTIS | Lincolnshire | all | Lionel Curtis | leocurtis@ukonline.co.uk |
| COTTON | Spalding | all | John Colam | john@colam.co.uk |
| COULAM | Lincolnshire | all | John Colam | john@colam.co.uk |
| COUPLAND | Goucelby/Huttoft/Saleby/Claypole | all | Francie Markham | frances.catspaws@tiscali.co.uk |
| COUPLAND | Withern | 1800-1870 | Jose Parker | geoff-jo.parker@blueyonder.co.uk |
| COURTIOS | Lincolnshire | all | Lionel Curtis | leocurtis@ukonline.co.uk |
| COWLAM | Lincolnshire | all | John Colam | john@colam.co.uk |
| COWLEY | Louth area | all | John Colam | john@colam.co.uk |
| CREASEY | South Kelsey | 19-20c | T Ashworth | ashworth40@btinternet.com |
| CRESSY | South Kelsey | 19-20c | T Ashworth | ashworth40@btinternet.com |
| CURTIS | Lincolnshire | all | Lionel Curtis | leocurtis@ukonline.co.uk |