Hi, Searched Manitoba Vital Statistics Online - for the CHAPKO surname
There are 7 CHAPKO BIRTHS -
John 1901 - Mother - Eva CHRONY
Mary 1903 - Eva CZARNIJ
Katarzyna 1905 - Ewa CZORNY
Michael 1907 - Eva CZARNY
Joseph 1909 -CZORNY
Julia 1911 Eva CHOURNEY
Andrew 1913 - Eva CHURNEY
All born Springfield Manitoba
Perhaps some connection to your Antonina CHAPKO ?
We had a CHORNY family member who came to Canada in 1910 from Poland - and spent a few years in Manitoba .