Lake County, Indiana Naturalization Records Index 1854 - 1932 POPOVICH, Emil age 32 Yugoslav, Malinc 1928 Book U-1 pg. 40. Intent to be a citizen. POPOVICH, Nick age 40 Yugoslav, Oravic 1924 Book W-2 pg. 251 Intent POPOVICH, Nikola age 45 Yugoslav, Oraovi 1929 Book W-2 pg. 251 petition to become Naturalized. POPOVICH, Rade age 33 Yugoslav, Stari 1929 Book U-2 pg. 269 Intent POPOVICH, Rado age 41 Yugoslav, Spic 1930 Book P pg. 340 Intent POPOWICZ, Mike age 22 Austria 1904 Book J pg. 391 Intent POPOWIG, John age 29 Austria 1894 Book H pg. 33 Intent cheryl BALOG wenberg