Born near St-Hyacinthe, Quebec, Canada, he came to the United States when his parents, Edouard and Catherine (Vandale) Hebert, returned in 1880 and resumed their residence in the town of Coventry, Rhode Island.

[1] Born on at St. Guillaume, Quebec, where his parents were visiting to tend to his father's health, the family returned to Coventry, where Hebert was educated in the public schools.

He was deputy insurance commissioner of Rhode Island from 1898 to 1906, studied law, was admitted to the bar in 1907 and commenced practice in Providence.

He resumed the practice of law, was a member of the Republican National Committee from 1944 to 1952, and was advisory counsel to the Associated Factory Mutual Fire Insurance Companies.

Mathias A. Hebert, who on December 16, 1922, was appointed by Bishop William A. Hickey as the second pastor of St. Cecilia Parish of Pawtucket, Rhode Island.