Have you tried Arkansas and Oklahoma boards ?
Name: Robert L Wilson
Birth Date: 13 Oct 1884
Draft Board: 3 12 Sept 1918; residence 417 1/12 E 25th, Tacoma, Pierce, WA trucker for Mulworskee? Freight @ East D & 25 street, Laura Wilson same address nearest relative.
. . .appears to be the Robert Wilson born Oct 1884 living in Cedar township/Eureka Springs, Carroll Co AR 1900 son of David M Wilson born IL 1849 and Ann Eliza/Louisa Frisby born MS 1847 married abt 1870 AR and moved to Berwyn, Carter Co OK by 1910 census. Robert Lee Wilson married Laura when he was 32 which would be about 1916 in OK, my opinion. Ann's parents were Andrew Frisby and Sarah Certin of TN married 04 Apr 1846 DeSoto Co MS.
some of Robert's siblings:
Andrew J Wilson 1875/1877 AR wife Mable Rhodes b. OH 1882 married in Carroll Co AR 29 Aug 1901 moved to Carter Co OK he divorced Mable and lived in Pocaseet, Grady Co OK 1940. This family lived in Johnson Co AR in 1880.
Joseph Fellis/Felles Wilson 20 Apr 1882/1883 Johnson Co AR widowed by 1910 lived in Carter Co OK 1910 with bro Andrew and his children Lucy A b. OK 1906 and Mary V. b. OK 1908, their mother born Arkansas ? Joe F Wilson then living in Grady Co in 1920 married 19 Nov 1914 Carter Co OK Miss Jennie May Freeze b. TN 1883-1884. Gertie T Wilson b. TX 1904 listed in 1920 household as step dtr. Don't know what happened to Joe's daughters. Joseph F, wife May and Annie L Wilson, mother b. MS 1848 are residing in Pocasset, Grady Co in 1930. Joseph F Wilson lived in Pocassett in 1940 & 1942 when he registered WW II draft, Mrs. E Broadus Pocasset was informant.
William H Wilson 1889 AR living with brother Robert and parents David M and Anna L Wilson in Carter Co.
1935 Chickasha, Grady Co OK & 1940 Pocasset, Grady, OK
Robert L Wilson 57 AR
Elma Wilson 36 AR 1904 - Elma Ann maiden name "Heniger" or 1st husband was a Heniger ? 09 Apr 1903 - 18 Nov 1990
Robert Wilson 15 AR 1924
Addison C Henager 1911 KY residence in 1935 ? residence 1920 Clark Co AR and Ellis Co TX in 1930
Helen Henager 1918 Washington residence 1935 Chickasha OK
A C Henager 1940 OK grandson
name: A C Henager
titles & terms: Mr
event date: 05 Nov 1938
event place: Canadian, Oklahoma, United States
estimated birth year: 1911
marriage license or bond date:
place of marriage license or bond: , Canadian, Oklahoma
father's titles & terms:
mother's titles & terms:
spouse: Helen Ruth Wilson
spouse's titles & terms:
spouse's age: 20
spouse's estimated birth year: 1918
spouse's father's titles & terms:
spouse's mother's titles & terms:
film number: 2257815
digital folder number: 004533126
image number: 00497
Citing this Record
"Oklahoma, County Marriages, 1891-1959," index and images, FamilySearch https://familysearch.org
also Arkansas marriage records.
1930 Ringling/Earl, Jefferson, OK
Robert L Wilson 45 said born IL said he was 32 yrs old 1st time married abt 1916 fireman/gin
Elma Wilson 28 Kansas said she 17 yrs old 1st time married 1920 ?
Helen R Wilson 11 Washington 1918
Lucille Anna/Lucille Anna Wilson 07 Kansas 1923
Robert J Wilson 05 Missouri 22 Oct 1924 - 28 Aug 1973
1920 Pierce, WA
Robert Lee Wilson 1884 AR
Laura 1897 MO MO MO
Helen Ruth Wilson 19 May 1917/1918 OK
Name: Joseph F Wilson
Birth Date: 20 Apr 1882
Birth Place: Arkansas
Death Date: 2 Mar 1961
Death Place: San Bernardino
Mother's Maiden Name: Frisby