He died in the Mitcham Military Hospital (the Holborn Union Workhouse on Western Road) and his name is on the memorial.

From CWGC

Rank: Corporal
Service No: 46129
Date of Death: 30/03/1917
Regiment/Service: Northamptonshire Regiment 1st Labour Coy
Grave Reference: W. 12.
Cemetery: MITCHAM (CHURCH ROAD) BURIAL GROUND
Additional Information: Husband of Hester Beryl Lewis of 18 Craven Hill Gardens, London.

From Ancestry :

Frank Ball Lewis in the UK, Soldiers Died in the Great War, 1914-1919

Name: Frank Ball Lewis
Birth Place: Stoke Newington, Middlesex
Death Date: 30 Mar 1917
Death Place: Home
Enlistment Place: Newcastle, Northumberland
Rank: Corporal
Regiment: Northamptonshire Regiment
Battalion: Infantry Labour Companies. 8th Company
Regimental Number: 46129
Type of Casualty: Died
Theatre of War: Home
Comments: Formerly 4660, K.R.R.C

He died in the Mitcham Military Hospital (the Holborn Union Workhouse on Western Road) and his name is on the memorial.

From CWGC

Rank: Private
Service No: 25902
Date of Death: 05/01/1918
Age: 39
Regiment/Service: Grenadier Guards 1st Bn.
Grave Reference: 17. 100.
Cemetery: MITCHAM (CHURCH ROAD) BURIAL GROUND
Additional Information: Son of Mrs. Betsy Lee, of Bexhill; husband of S. Sullivan (formerly Lee), of The Garavan, Bosham, Chichester.