Good luck with the meetup.
These were the people I had in my last UK list for the northern region...
@anarcotech, 
@artonmysleeve, 
@ashtv, 
@beautifulbullies, 
@bingbabe, 
@calluna, 
@c0ff33a, 
@cryptocurator, 
@darrenclaxton, 
@digitaldan, 
@ebookwriter, 
@father2b, 
@gaby-crb, 
@gdwcoins, 
@geordieprepper, 
@mckeever, 
@mikefromtheuk, 
@pcste, 
@raj808, 
@russellbury, 
@slobberchops, 
@someguy123, 
@steemonkey, 
@stephenkendal, 
@stevenwood, 
@teamhumble, 
@techmojo, 
@vibeof100monkeys, 
@yawnguy
Some have gone since then. And I hope some new people have arrived.
RE: Steemit Meet Up, Sheffield.