- Clevett (continued)
- Clewer
- Clibbery
- Clifford
- Clifton
- Clinch
- Cline
- Clingham
- Clive
- Clode
- Mary (between 1862 and 1863 - )
- Close
- Clothier
- Clout
- Cloutier
- Clowes
- Clowser
- Clute
- Clutterham
- Clyde
- Coast
- Coates
- Coates-Stephens
- Cobb
- Cobbin
- Cobley
- Coborn
- Cochkanoff
- Cochrane
- Cock / Cork
- Cockayne
- Cockbill
- Alice (between 1856 and 1857 - )
- Cockburn
- Cockerill
- Cockett
- Cocking
- Cockle
- Cockram
- Cocks
- Coe
- Coffey
- Cogar
- Cogger
- Coggins
- Coghlan
- Cohen
- Coke
- Coker
- Colbeck
- Colborne
- Colbrook
- Colchester
- Cole
- Coleman