| Éraste d'Odet d'Orsonnens | |
| Birth Date: | April 11, 1836 |
| Birth Place: | Saint-Roch-de-l'Achigan, Lower Canada |
| Death Date: | December 24, 1906 |
| Death Place: | Hull, Quebec |
| Office: | Mayor of Hull, Quebec |
| Term Start: | 1889 |
| Term End: | 1890 |
Éraste d'Odet d'Orsonnens (April 11, 1836 - December 24, 1906[1]) was a notary, author and politician in Quebec. He served as mayor of Hull from 1889 to 1890. His name also appears as Jean-Éraste and Jean Protais Eraste.
The son of Colonel Protais d'Odet d'Orsonnens and Louise-Sophie Rocher, he was born in Saint-Roch-de-l'Achigan, Lower Canada, and was educated at L'Assomption and at the Jesuit college in Montreal. He went on to study law and was licensed as a notary at the age of 22. D'Orsonnens practised his profession in Montreal, Warwick and Hull. In 1875, he married Marie-Louise Fiset. D'Orsonnens was also a commissioner of the Superior Court of Quebec and chair of the Hull school board. Around the age of 50, he retired from practice as a notary to pursue his developing business.[2] He served on Hull municipal council from 1877 to 1886[3] and from 1890 to 1891.[4]
He published:
Rue D'Orsonnens in Hull, now part of Gatineau, was named in his honour.[9]