He was elected again in 1816 and he was named to the Legislative Council in 1818. In 1827, he was named sheriff for Montreal. In 1828 he became the first president of the Montreal Mechanics' Institution (now the Atwater Library of the Mechanics' Institute of Montreal).
He was re-elected in 1816 and took his seat on the Legislative Council in 1818. Two years later, in 1827, he was appointed as sheriff for Montreal. In 1828, he made history by becoming the first president of the Montreal Mechanics' Institution, which is now known as the Atwater Library.