I'm stumped!!!!

I have been asked by the Conrad Mansion Museum in Kalispell, MT to trace the origin of the stained glass windows in the building. The mansion was designed by Kirtland Cutter and built between1892-1895 for Charles Edward Conrad. The windows in question were designed for the master bedroom and the sitting room adjacent to it. They are not on the outside walls but on the walls that overlook the grand staircase.
I have had no luck in finding out anything other than they are probably not Tiffany and that Kitland Cutter never recorded the names of the other artists who worked with him!!

The windows in the sitting room consist of 9 panels:

Detail center panel: Conrad family tradition states that Christmas was Mrs. Conrad?s favorite time of year and thus the Christmas wreath and the bows in the windows.

Detail top center panel: The elongated fleur-de-lis at the top is actually clear glass but does not photograph well in the indirect light. The jewels at the base are light yellowish amber.

The windows in the master bedroom are matching panels in the French doors: again the fleur-de-lis in the center is clear glass as are the crescents and elongated teardrop shapes at the top and bottom. The jewels in the center oval are light yellowish amber and the five jewels to either side are red. The second edge pattern that looks almost black in the photograph contains glass that is actually brown with a clouded effect in it much like the four rose-colored diamonds at top and bottom of central pattern.

I'm searching for the identification of this artist or any suggestions as to where to find the ID.
Thank you very much for your time in this matter. The Mansion directors are very concerned with giving proper credit to the craftsmen and artist who helped to create this magnificent building.
--Jan
Jan Hardesty
Records Manager
Flathead County Records Department
phone: 406-758-2485
fax: 406-257-4110
email:
jhardesty@flathead.mt.gov