If a genealogist is lucky enough to be able to trace his/her ancestors back far enough in time, he/she is likely to encounter documents written in the Latin language – the language of the Roman Catholic Church. In the Polish-Lithuanian Commonwealth before the partitions in the last decades of the 18th century, church and court documents were frequently recorded in Latin and, in the Austrian Partition, the records were usually written in Latin even after the partitions.

Józef Niedziałkowski, the brother of my grandfather Kostanty Niedziałkowski, was married twice. Both times, he married a woman from the village of Trelkowo. He first married Józefa Kolarowira on 28 Jan 1928 in Trelkowo and, after her death, he married Anastasia Cheschowska on 12 Jul 1934 in Trelkowo.
For some time, I was unable to locate the village of Trelkowo, since I assumed [...]

After finding Damian Niedzialkowski’s Naturalization Records, I discovered that, during the Naturalization Process, Damian changed his name to Damian Cosky.

In 1938, Damian Niedzialkowski completed the requirements to become a citizen of the United States.