Trzeciak

Trzeciak is a Polish surname. It originates from the word "trzeci," meaning "third" in Polish. The surname could have originated as a descriptive name for a third son, someone who lived on the third part of a land division, or possibly someone who owed a "third" of something as a form of feudal payment.

The name is relatively common in Poland. There may be several distinct families bearing the name, with no shared lineage between them. As with many surnames, regional variations in pronunciation and spelling may have occurred over time, although "Trzeciak" remains the standard form.

Individuals with the surname Trzeciak have been found in various professions and regions across Poland.