I don't believe that economic and cultural interaction automatically brings greater peace and understanding, although it may help in that regard.

Kirby T. Kirby (1867–1934) American politician
William Forsell Kirby (1844–1912) English entomologist & folklorist
William T. Kirby (1911–1990) businessman
William Kirby (footballer) Gaelic footballer
William Kirby (cricketer) (born 1981) English cricketer
Will Kirby (born 1973) American Big Brother contestant
Bill Kirby (born 1975) Australian swimmer
Cam Kirby (William J.