Esther Appelton (Zimmerman) - Esther Zimmerman

Okay, now I am pretty sure that Esther Appelton and Esther Colomby are the same person. Here is the rationale:

(1) Marriage licence of Esther Zimmerman and Mac Appelton lists her parents as Frank Zimmerman and Fanny Birnbaum (https://photos.geni.com/p13/06/3f/53/05/5344484b0dc5cbce/appelton_-...).

(2) Marriage licence of Max Zimmerman and Nina Biednovitz lists his parents as Frank Zimmerman and Fanny Birinbaum (https://photos.geni.com/p13/8a/51/a8/a6/53444854e992665d/max_j_zimm...)

This shows that Esther and Max were siblings. I already knew that Esther Colomby's parents were Frank and Fannie Zimmerman (https://www.geni.com/documents/view?doc_id=6000000132557085057&), but that could be coincidence. However, it couldn't just be coincidence that there were two women in Toronto named Esther Zimmerman, both with mothers whose maiden name was Fanny Birinbaum.

Therefore it must be the case that Esther Appelton, after divorcing Mac Appelton, married Bob Colomby.