Parts of name appear to be smashed or worn or rubbed off. Can’t make out middle initial. Looks to be Wil???? _?. ??bertson.
No birth year only 19?? But death was 1930.
Family Search had a match as William Henry Robertson. Birth of 1903 and death 1930. Accepted that as a match. Parents in Iowa and death records in Iowa as reference in Family Search too.