Where did you get all of the Lachance family names?
By far, the Lachance (Pepin dit Lachance) family is the most prominent within these pages. If the information is of a “male” Lachance, especially for the first 5-6 generations, virtually all is directly from the research of Louis Lachance. He has published seven volumes of the descendents of Antoine Pepin dit Lachance and Marie Teste which he has researched. These volumes represent thousands of direct descendents of Andre and his wife. Louis has a list of sources at the beginning of each volume. Unless someone can prove otherwise, I must assume from his years of research that he is correct (even though there are known errors). You may purchase his works through the Pépin dit Lachance family association linked on the introduction page of this website. For “non Lachance” names on the Lachance side, I have relied upon the resources of PRDH, LDS Family Searches, the many volumes of repertoires and published records and materials I have in my personal library and a handful of actual certifi