I found an
Amanda F. Rains
Married: Aug 21, 1906, Lewiston, Nez Perce, ID
Groom: John Vincint
Source: Idaho Marriages 1842-1996, Record can be found in Marriage Book at Nez Perce County Courthouse, Vol. 3, p. 309.
If you're sure she was a Nez Perce Indian, you might have better luck finding info at the tribe, nezperce.org/Official/mainpages/contactus.htm .
If you're unsure she was Nez Perce, the Nez Perce County Clerk has birth and death records prior to July 1911, www.co.nezperce.id.us
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