Johann Gress and Melchior Gress are Kress from Steinau, circa 1700-1750, family

Question:

Johann Gress and Melchior Gress are Kress from Steinau, circa 1700-1750, family departed to the US?

6.Johann Heinrich Kress (auch Gress)
borned 28.10.1729 in Ulmbach (Steinau).
died 25.9.1810 (81 years old).
>married 19.07.1751 Anna Catharina Herber(t), borned 15.06.1731 in Ulmbach, died 31.1.1776 in Ulmbach. Parents are Heinrich Herbert and Anna Maria Heydt. Heinrich Herbert married in August 1730 (the date cannot be read; he is referred to as widow) Anna Maria Heydt from Ulmbach (Father??s name is Johannes).

7.Johannes Gress (Johann Kress)
borned in June1699 in Ulmbach (Steinau).
died 25.10.1765
>married 12.04.1728 Anna Margaret(h)a Hennig (Father?? s name is Peter) from Saltz (near Ulmbach). Died 3.12.1765 (no data about age).

8.Melchior Gress (Kress).
borned about 1670 (Church book starts in 1674) in Ulmbach (Steinau).
died 10.9.1739 in Ulmbach.
>married 26.2.1696 Anna Heyd, died 8.2.1739 (no data about parents).

More info could not be found as Church book from Ulmbach (Steinau an der Strasse) starts in 1674.

Best Answer - Chosen by Asker: Being Germanic I'd expect to find them in PA. Nevertheless I only put in surname at census index, ancestry.com. The first census was 1790:

Henry Gress Hopewell, Newton, Tyborn, and Westpensboro, Cumberland, PA 1790
Peter Gress Earl, Lancaster, PA 1790
Michel Kress Williams, Northampton, PA 1790
Michel, Jur Kress Williams, Northampton, PA 1790
George Kress Northern Liberties, Philadelphia, PA 1790