Verified Birth or Death Date and Location for Pierre Pillet dit LaSonde?

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Pierre Pillet dit LaSonde (profile Pillet-43) was one of my wife’s documented 6th Great-Grandfathers in New France.  He was a farmer and councilman/judge at Kaskaskia in Upper Louisiana (Pais des Illinois) from about 1721 until his death circa 1768.  He was married to Catherine Marie Madeleine Boisron circa 1720; unknown if at New Orleans, Kaskaskia or somewhere in between. 

Pierre and Madeleine are assumed to have met in mid-1718 during a voyage from France along with 150 other colonists aboard the ship “Le Comte de Toulouse” to the new French colonial capital of Louisiana at New Orleans, where construction of the town had begun about six months earlier.  Madeleine was about 15 at the time and traveling with her father, who was a member of the King’s Attorney for Louisiana’s office, while Pierre was an unknown age.  He was, however, a member of a “miners” squad in the French Army.  He was one of nine miners originally sent to build fortifications and tunnels to protect the new town, its defensive artillery, and the troops who were also sent, from competing Spanish forces. On the ship’s manifest Pierre was identified only as “La Sonde”

Pierre Pillet dit LaSonde is presumed by many family trees (over 700 trees at Ancestry with likely a lot of copying!) to be the Pierre Paillet who was baptized on 21 Jul 1704 (this baptism verified with church records) in Berneuil-sur-Aisne, Oise, Picardie, France, the son of Jean Paillet and Marie Hauart. But this association appears weak to me as this would mean that Pierre was only 14 at the time he was in the French Army aboard the ship.  Also the “dit La Sonde” name addition shows up nowhere in the church records of this family.

No alternate person for being Pierre has been proposed so far as I know, only possible alternate birth dates of 1695 and 1690 have been offered for an unknown person, my guess is to make his age in 1718 more reasonable.

After his enlistment was likely over, Pierre and Madeleine migrated up the Mississippi River to Kaskaskia where they are believed to have arrived by 1721.  It is known they leased half of a farm for a period of 5 years in Kaskaskia in 1724 before later buying their own farming property. Later, Pierre was also involved in the buying and selling of many properties in Kaskaskia and the surrounding area through the years, from which it appears the family became relatively wealthy.

I have not found a single corroborative document that lists Pierre’s age at a given date, or his birth date.  Are there any genealogists at WikiTree who have uncovered data for the birth date, location and/or family members in France, or the age at his death, of Pierre Pillet (Pilet) dit LaSonde so I can put this mystery to bed?

WikiTree profile: Pierre Pillet dit Lasonde
in Genealogy Help by Rikard Hill G2G3 (3.2k points)
edited by Ellen Smith

Hi Rik,

Thanks for posting this question. And thanks for your work finding sources for and merging the multiple duplicate WikiTree profiles that existed for Pierre Pillet dit Lasonde.

While I believe that there is still some uncertainty regarding whether the Pierre Pillet dit Lasonde of Kaskaskia and the Illinois Country is the La Sonde identified in the ship list, since it appears that some of the names of the other miners in the ship list also appear in Kaskaskia records associated with Pierre Pillet dit Lasond, I believe it likely that the ship list La Sonde is Pierre.

I also agree with you that the Pierre Paillet baptized in 1704 in Berneuil-sur-Aisne is unlikely to be the 1718 ship list La Sonde (at which time Pierre Paillet would have only been 14 years old) and the Pierre Pillet dit Lasonde of Kaskaskia and the Illinois Country, who appears to have been a father and witnessing legal documents in 1721/1722 (at which time Pierre Paillet would have only been 17 years old). There doesn't appear to be any reference to Pillet or La Sonde surnames in the Berneuil-sur-Aisne parish records, and there doesn't appear to be any reference to a Paillet surname in any of the Kaskaskia Manuscripts or the Kaskaskia parish records. The Paillet/Pillet association that has been propagated in the numerous internet family trees likely resulted from an Ancestry.com hint or search result generated from a Soundex or other fuzzy match between the two different surnames. None of the internet family trees that I've reviewed to date cite sources providing any evidence that Pierre Paillet and Pierre Pillet dit Lasonde are the same person.

On Pierre's profile, there are Research Notes with sources cited discussing these and other uncertainties associated with Pierre (thanks again, Rik, for your help with that information).

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