If this is your Samuel Walter, then from the 1910 US Census he was married to Amanda in 1905.
1910US Census, KANSAS, SMITH CTY, PLEASANT TWP NARA Series: T624Roll: 458Page: 159 WALTERSAMUEL F34MWNEKSSMITHPLEASANT TWP Enumerated 13 May 1910; Occ: Looks like stone mason Wife: Amanda, age 34, born PA; both parents b. PA married 5 years.
Two possibilities from the 1880 US Census:
Amanda Neff, age 7, dau of Abraham Neff and wife Maria of Lancaster Co., PA, Millersville. Here both parents b. PA, but she married a Brubaker
Amanda Neff age 7, dau of widow Amanda Neff, age 41 See: 1880 US Census, PA, Philadelphia, 3rd PCT, 7th Ward
AMANDA S, age 7FWPAPAPHILADELPHIA3rd PCT, 7-WD PHILADELPHIA; both parents born in PA.
Not in our database so can't be of much more help.