We may just have something here. My greatgrandfather was Wm. RILEY Allen, a cowhand who traveled between KS,AZ,NM, CO, OK and TX. He named one of his daughters Grace MATILDA(Tillie). Most of his chldren were born between 1882 and 1905 in KS or Oklahoma/Indian terriority.
Twins are prevalent. Please email me directly so we can compare other family names, etc. Smile@endor.com