I have a Matthias Schneider b. 1 Nov 1772 Hecktown, Northampton Co., PA, bp. 28 Mar 1773 Dryland Church, m. Anna Maria _________ bef 1794, children Michael, Elizabeth, Anna Marie, Susanna, Henry, Anthony, John, Barbara born between 1794 and 1806 in Hanover Twp., Lehigh Co., PA, all baptized at Christ Lutheran Congregation in Shoenersville, Hanover Twp., Lehigh Co., PA.
I have his parents as Anthony & Margaret Schneider.
I think I have him in Williams Twp. of Northampton Co., in 1800 census.
He matches your Matthias in some respects.Want to compare information further?