| Birth* | Pierre Cyr was born circa 1678 at Port-Royal, Acadia, Canada. |
| Christening | He was christened circa 1678 at Port-Royal, Acadia, Canada. |
| He was the son of Pierre Sire and Marie Bourgeois. |
| Marriage* | Pierre Cyr married Claire Cormier, daughter of Thomas Cormier and Madeleine Girouard, circa 1698 at Beaubassin, Acadia, Canada. |
| Death* | Pierre Cyr died after 1723 at Beaubassin, Acadia, Canada; Died after birth of last known child Agnès, circa 1723. |
| Burial* | He was buried after 1723 at Beaubassin, Acadia, Canada. |
