Martin and Helen Hladik were in Johnstown in 1910 and 1920 census.
I know they were there in 1909 as they were sponsors for my husband's grandmother's babtismal.
1910 Martin age 34 listed in ancestry under "Hedak"
Helen age 29
Anna age 11
Fred age 8
Vilma age 5
Martin age 3 lived on Cummings Ave in Johnstown believe that was HILLSIDE Park area
1920 they still lived in Johnstown
same ages only +10ish
next door to Maty (Mathew) Hladik and wife Helen
children Matj Jr. age 16, Pauline age 14, Anna age 12, Helen age 10, William age 7, Anthony age 4, and Leo age 8/12
I lived in Johnstown for 20 years when I was younger on Veghte St and Burton St.