Hi-In 1900, Elizabeth Rains, b. Aug. 1842, age 57, is widowed and living with son William H. Rains in Diamond twp., Sebastian Co. AR;In 1910, she is living with daughter Ida in Haskell Co., Oklahoma.Ida Rains McGaughey is also widowed in1910.
It looks like she is buried in the Stigler Cemetery, Haskell Co., OK:Elizabeth J. Rains, 1 Aug. 1843 - 26 July 1912.
Sebasian Co. AR marriage records:
Ida Belle Rains, age 18 to Eddie P. McGaughey, age 20, on 1 January 1899, Fort Smith District, Book F, pg. 55902, by Joseph Herriman.
In 1900, Ida Belle and Eddie P. are living with his parents, Alva W. & Nancy Jane McGaughey in Bloomer, Sebastian Co. AR.
1900 Sebastian Co. AR, Diamond twp., Huntington,
pg. 88, ED 113, sheet 10b, 13 June:
William H. Rains, April 1875, 25, married one year,
b. TX, parents b. NC, coal miner
Lizzy, wife, Oct. 1879, 20, AR AL AL
ELIZABETH, mother, Aug. 1842, 57, widowed, 11 children/4 living, b. North Carolina, parents b. NC
1900 Sebastian Co. AR, Bloomer, pg. 4:
Alva W. McGaughey, June 1840, 60, b. AL, married 34yrs
Nancy, wife, Jan. 1845, 55, 3 children/3 lvg., MS
EDIE P., son, Aug. 1878, 21, TN
IDA, dtr/law, March 1880, 20, AR
Nona, granddtr., Feb. 1900, 2/12 b. AR
1910 Haskell Co. OK, Stigler, pg. 61, Center twp.,
ED 86, sheet 16a, 28 April:
Mrs. Ida McGaughey, 30, wid., 1 child/1 living,
b. AR, parents b. NC
Nona, dtr., 10, AR TN AR
ELIZABETH RAINES, mother, 66, widowed, 11 children/4 living, b. NC, parents b. NC
More Sebastian Co. AR marriage records:
Willie J. Rains, 17 to Wilson C. Lawson, 24, on 30 Dec. 1888, Greenwood district, Bk. 2 pg 19401 by G.T.Mathews
Sarah C. Rains, 17 to A. J. Jetton, 22, on 3 June 1883,
Greenwood district, Bk D, pg. 17201 by G.T. Mathews
W.H.Raines, 24 to Lizzie Carter, on 3 Dec. 1899, Greenwood district, Bk D-2, pg. 11402 by Joseph Herriman.
I haven't found burial for William Rains, Sr. but it looks like William H. Rains, Jr. is buried in Hartford Memorial Cemetery, Hartford AR -- William H. Rains, 1875 - 1967;
Elizabeth Rains, 30 Oct. 1879 - 16 Oct. 1949 (Lizzie).
Hope this helps.