He ran unsuccessfully for the position of mayor of Montreal in 1859.

In 1862 he ran for mayor of Montreal and won.

From 1932 to 1934, he was the mayor of Montreal.

From 1910 to 1912, he was mayor of Montreal.

He served as mayor of Montreal from 1957 to 1960.

After two previous attempts in 1950 and 1954, he was elected mayor of Montreal in 1957.

He was elected the first mayor of Montreal in 1833 and worked to improve its sanitary conditions.

From 1891 to 1893, he was the mayor of Montreal.

He also served two one-year terms as mayor of Montreal from 1887 to 1889.

He was mayor of Montreal from 1924 to 1926.