I am chasing your quaries and posting hoping that something will pop up for your research or that a distant relative find you.
You might want to post on Pennsylvania's state and county board as well as Illinois's and Jackson county board. Your ancestor must have had a friend or a family member in Gilberton, Pennsylvania as how he would pick that town for his first stop. Our ancestors traveled with someone from their hometown or vicinity of it.
. .Charles b.1898 and Amos b. 1902. These 2 boys's birth record does not provide you with the father's place of birth? .. Frank died in 1948. Frank [Franciszek] if not naturalized and lived pass 1940, which he did, he had to fill out an Alien Registration Form.