I Am Haveing a Hard Time to Find My 4th Gr Grandfather Amos B Nichols Parents from Augusta Maine

I am looking for my 4th gr-grandfather Amos B Nichols b. 12/30/1861.. As far as I know he was from Augusta me. He is married to Cathriene Mann b.05/27/1808 marriage 11/08/1824 in Brewer, Maine