and the most popular names are:

David
32
Paul
30
John
28
Mark
23
Chris
23
Ian
21
Andrew
21
Stephen
17
Sue
16
Karen
16
James
16
Helen
16
Peter
15
Alan
15
Sarah
14
Michael
14
Simon
13
Joanne
12
Jane
12
Caroline
12
Andy
12
Robert
11
Mike
11
Brian
11