I have not heard of Gerrit Hallenbeck but...I have not got back as far as you have.
I am only as far as James William Hallenbeck, died 1891 in Brooklyn, New York.
Census says he was born in Connecticut but haven't found connection yet.
If I catch up with a wife's name, I will contact you for sure.
Joan Pickering e-mail: firstname.lastname@example.org