There is mention of a Private George .... Thurman of Shepshed being killed on 6th June in the Loughborough Echo 15th June 1917 son of Mr & Mrs W Thurman
Came to same point as Rosie99 - apart from wrong initial/name - he fits all the other criteria.

George Albert Thurman - Birth Place Shepshed, Leics
Death Date 6 Jun 1917 - Death Place France and Flanders
Enlistment Place Shepshed
Rank Private - Regiment Leicestershire Regiment - Battalion 1st 5th Battalion
Regimental Number 240290
Type of Casualty Died of wounds.
Loughborough Echo
Loughborough, Leicestershire
Fri, 15 Jun 1917
Page 3
https://www.newspapers.com/article/loughborough-echo/179455351/Free BMD only mentions two Thurman deaths in 1917 and they were both infants.

Sandra