St. George Ukrainian Greek Catholic Church in Sarnia Ontario, EST. MAY 6 1949, 

is a parish within the UKRAINIAN CATHOLIC EPARCHY OF TORONTO AND EASTERN CANADA (bishop Brayan Bayda), 

the constituent part of UKRAINIAN CATHOLIC ARCHEPARCHY OF WINNIPEG (Metropolitan Lawrence Huculak)

the part of UKRAINIAN GREEK CATHOLIC CHURCH (patriarch Sviatoslav Shevchuk),

in full Communion with the HOLLY SEE (pope Leo XIV)