I found your post while looking into the Jewish history of Hermosillo. You've probably already located this information but, just in case, there are border crossing documents for Spectors and a Friedman when they crossed into the US at Nogales in 1923 after leaving Hermosillo. I'd be happy to point you to them if you'd like. It looks like their party included:
David & Perla/Pauline (Spector) Gologorsky (born in Kopaigorod)
their daughter Rebeca Gologorsky (born in Mexico)
Ytzic & Enia Spector
Except for Simon Friedman, who was going to an aunt in NYC, the rest of the party was headed for Hartford, Connecticut where an uncle Yacob Palatine was living.