Complex sentence: Constance Easton Hamilton (1862--1945) was the first woman member of Toronto City Council and the first woman in Ontario to hold elected office at either the federal, provincial, or municipal level (one year before Agnes MacPhail).
Split into simpler sentences: Constance Easton Hamilton (1862--1945) was the first woman member of Toronto City Council. In fact, she was the very first woman in Ontario to hold elected office at either the federal, provincial, or municipal level (one year before Agnes MacPhail).