Browse the most wanted section of this site : your ancestor may be there and you may find some more information.

E-mail me your query. I'll add your ancestor to the most wanted list, and, sooner or later, I'll get some feedback.

Post your query on the LACHAINE genforum section.

Post your query on LACHAINE Familyhistory message board.

Consider searching the LACHAISE surname. I have seen some LACHAISE being spellt LACHAINE, especially the couple Jean Baptiste LACHAISE / Helene VALIQUET. The LACHAISE are a different family, whose pionneers were Jean Baptiste LACHAISE and Jeanne MENARD.

Good luck!