[Icare9]

Hi, whilst waiting for the experts to come along, I presume you have the additional information from the CWGC records as below?

Name: BRADLEY, WILLIAM
Nationality: United Kingdom
Rank: Sergeant
Regiment/Service: Royal Air Force Volunteer Reserve
Age: 33. Date of Death: 31/08/1944
Service No: 2209464
Additional information: Son of Thomas and Margaret Bradley; husband of Mary Bradley, of Euxton, Lancashire.
Grave/Memorial Reference: Panel 225. Memorial: RUNNYMEDE MEMORIAL

Name: PEARSON, FREDERICK
Nationality: United Kingdom
Rank: Flight Sergeant
Regiment/Service: Royal Air Force Volunteer Reserve
Age: 21. Date of Death: 31/08/1944
Service No: 1578265
Additional information: Son of Frederick and Harriet Pearson, of Wolverhampton.
Grave/Memorial Reference: Panel 221. Memorial: RUNNYMEDE MEMORIAL

Name: SAYLES, FRANCIS
Nationality: United Kingdom
Rank: Flying Officer
Regiment/Service: Royal Air Force
Age: 22. Date of Death: 31/08/1944
Service No: 52592
Awards: D F M
Additional information: Son of Larrett and Clara Sayles, of Fitzwilliam, Yorkshire.
Grave/Memorial Reference: Panel 209. Memorial: RUNNYMEDE MEMORIAL

Name: SMITH, JOHN BONSALL
Nationality: United Kingdom
Rank: Flight Sergeant
Regiment/Service: Royal Air Force Volunteer Reserve
Date of Death: 31/08/1944
Service No: 1496761
Casualty Type: Commonwealth War Dead
Grave/Memorial Reference: Panel 222. Memorial: RUNNYMEDE MEMORIAL

Name: BROWN, WILLIAM WALLACE
Nationality: Canadian
Rank: Flying Officer
Regiment/Service: Royal Canadian Air Force
Age: 30. Date of Death: 31/08/1944
Service No: J/20649
Additional information: Son of James Nelson Brown and Gertrude Brown, of Woodstock, New Brunswick, Canada; husband of Marion H. Brown, of Woodstock.
Grave/Memorial Reference: Panel 245. Memorial: RUNNYMEDE MEMORIAL

Name: MACDUFF, ROBERT DENVER
Nationality: New Zealand
Rank: Flying Officer
Regiment/Service: Royal New Zealand Air Force
Age: 26. Date of Death: 31/08/1944
Service No: 417149
Additional information: Son of Robert B. Macduff, and of Amelia Macduff, of Mount Eden, Auckland, New Zealand.
Grave/Memorial Reference: Panel 262. Memorial: RUNNYMEDE MEMORIAL

As F/O Brown was RCAF there may be access to the RCAF records, but others will be better able to advise on that, but at least you have some addresses that might help locate surviving relatives via Ancestry, telephone books etc.

Hope this helps