Hi,
I think this could be Colin, with a slightly different spelling of his name.
Monday 24 Nov 1794
Geoe Carrick Master
Residence Location: Speldhurst, Kent
Butcher
Collin NEWINGTON Apprentice
Release of trust (dated 16 Nov 1795) from Zebulon Newington of Tunbridge Wells, gent and Collins Newington of Groombridge in Speldhurst, butcher to Nicholas Gilbert
https://discovery.nationalarchives.gov.uk/details/r/10a54130-d2c2-4032-bd10-cc1411855bc7 Marriage23 February 1796
St Mary the Virgin, Speldhurst, Kent
Collins NEWINGTON of this Parish
Bachelor
Ethel CAMFIELD of this Parish
Spinster
Married in this Church by Licence
By me William GORDON (Curate)
In the Presence of, William BROOK???, James CAMFIELD, John BROOKS
18 January 1821 Convicted of Embezzlement
https://discovery.nationalarchives.gov.uk/details/r/C10550804https://discovery.nationalarchives.gov.uk/details/r/C1454446713 January 1827 Given a Free Pardon by H.M. Command Robert PEEL
But searching for "Collins NEWINGTON" shows me that you already know a lot of this,
https://www.rootschat.com/forum/index.php?topic=851406.msg7191073#msg7191073I'm not sure exactly what details you have and I've typed this out so I'll leave it all here in case it helps you or someone else researching this family.
I mean no offence saying this but it would have been helpful if you had mentioned the info. that you already have in this post, or added a link to your previous post so that people would know what had already been found. It would have made looking for further info. much quicker and easier. But I hope that I have added something new.
Regards,
Daisy