'The Author' page in the help file for mirc 2.1a (first official version) clearly states that he lives in the uk, and references several email addresses and his homepage, all with the .uk tld. This is of corse not proof that he is english.
Somewhere around version 4.5 the mirc.co.uk was made the official homepage, i dont think you can say that has changed just because other tld's have been added.
