We still don't know your first name, when signing every post is required by our forum rules.
But:
https://www.familysearch.org/ark:/61903/1:1:XH3N-SC2
https://www.familysearch.org/ark:/61903/3:1:33SQ-GRZR-695?view=index&action=view
https://www.familysearch.org/ark:/61903/1:1:6K9K-28ZT
If you do not ...

Siblings of Franciszek Mocarski: https://geneteka.genealodzy.pl/index.php? op=gt&lang=pol&bdm=B&w=10pl&rid=B&search_lastname=Mocarski&search_name=&search_lastname2=Kostka&search_name2=&from_date=&to_date=&rpp1=&ordertable= 1870 act 4 marriage between Andrzej Mocarski and Anna Kostka, parents of ...

Franciszek Mocarski, born on 19th of July, 1892
https://geneteka.genealodzy.pl/index.php?op=gt&lang=pol&bdm=B&w=10pl&rid=3228&search_lastname=Mocarski&search_name=&search_lastname2=&search_name2=&from_date=1892&to_date=1892&exac=1

Thank you very much, I do not know how I missed that entry but ...

Hello,

I'm from the United States and trying to do some research on my family. My great-grandfather and mother were immigrants from Poland. I believe that they both came to the United States around 1909.

His name was Frank/Francis Mocarski and her name (with birth last name) was I believe Bojinski ...