Anna Petrosky Pollack Death Certificate

I have had this document since 2011. It is the death certificate for Helen Pollack's mom, Anna Petrosky Polak (Dorothy's grandmother).

Here is the information from it:

 Death Certificate for Anna Petrosky Polak. She died at 39 Brookfield Ave., in Masury, (Brookfield Township) Trumbull, Ohio. She had been in the U.S. for 53 years, 50 in that community. She died April 23, 1944 at 4:43 p.m. of coronary thombosis. She had been a widow of Michael Polak. She was born in 1872 in Czechoslovakia and died at age 72. Her mother's maiden name is Anna Mitrik (born in Czechoslovakia) and her father's name is George Petrosky (born in Czechoslovakia).  Anna is buried in Farrell, PA.