Here are some names which may be of interest to you:
Leduc, Edward J.1902-1956 married to Leduc, Dorothy L. (Hewett) 1911-1963 (both are buried in the Prospect Hill Cemetery, Uxbridge MA)
Leduc, Phileas.8/14/1890-8/18/1962.Buried in the St. Denis Cemetery, Douglas MA.
Leduc, Norman Hervé.9/21/1923-12/6/1973.Pvt, Army, WW2.Buried Swan Dale Cemetery, Mendon, MA.
Duval, Calastie.8/1790-7/11/1836.Married to Rachel.Buried in a small(ish) cemetery in East Douglas, MA about 1/2 mile from the town center.
Duval, Emelie (Fortin).1812-10/12/1894.Married to Paul.Buried in St. Denis Cemetery, Douglas MA.
Duval, Ludger.1859-12/21/1890.Son of Paul and Emelie.Also buried in the St. Denis Cemetery.
I have no variations of the spellings in my database (Laduke et al).
You mentioned that some of your research is leading you to Sutton, MA.I have not yet catalogued the cemeteries in Sutton; hopefully, it will begin sometime before spring.I'll keep your request on file, and if anything comes up, I will let you know.