Proch Family History
Proch Name Meaning
Polish: from proch ‘dust powder gunpowder’ probably a nickname for a miller. German: habitational name from a place so named in Brandenburg (now Poland). Czech and Sorbian: from a pet form of an old personal name beginning with Pro- such as Prokop and Prosimir (based on the element pros ‘to ask for’ from Old Slavic prositi).
Source: Dictionary of American Family Names 2nd edition, 2022