Jurewicz Lithuania

Grandfather, Adolph Jurewicz. From Dauburaiciai? Married Alexandra Jurewicz from Radwiliskis. Came to USA in 1906. Possible cousins' surnames: Dowgwillo, Machnik, Mackiewicz, Romanowski. Lived in Glens Falls and Sandy Hill, NY; Chicago, Il and Kenosha, wi. Hitting a brick wall re anything on my grandfather's family.