Eric Walker
This seems likely to be Reginald Eric Walker (1883-1958)
1883 Born in Sheffield, son of Reginald Atkinson Rawson Walker
1911 Reginald A Walker 51, brass founder, employer, lived in Edgbaston, with Sarah Ann Walker 51, Reginald Eric Walker 27, widower, brass founder, employer, Ethel Hilda Walker 20, Margaret Houghton Walker 5 months[1]
1920s With his father, Reginald Walker, he took over and ran Excelsior Motor Co
1939 Nantical Instrument Case manufacturer and engineer, lived in Solihull, with Dorothy G Walker Geoffrey E Walker, Denis A Walker [2]
1958 Died in Solihull