Hi Mollydog,
There are 2 x John Menzies mentioned on local WW1 War Memorials, one in Kilsyth and the other in Bonnybridge. Banknock is in the middle between both places.
The following are the details of each of the Johns, where they're commemorated and any other relevant details I could find.
MENZIES, John, Pte., Royal Army Medical Corps, 17th Field Ambulance, died 25.11.1917, age 24
Service No: 73953, son of John & Margaret Menzies, Clune, Bonnybridge
Comm. at: Rocquigny-Equancourt Road British Cemetery, Manancourt, III.A.13
Comm. at: Bonnybridge War Memorial, Stirlingshire
MENZIES, John, Guardsman, Scots Guards, died 24.01.1920
Service No: 5018
Comm. at: Kilsyth Cemetery, 2nd Extension, Grave 1006
Comm. at Kilsyth War Memorial
(British War Memorial Project have a photo of his gravestone)
You could also check out this site:
http://1914-1918.invisionzone.comYou have to register before you can do a search, but it's free. After you register, scroll down to 'Cemeteries and Memorials', go to the foot of this page, then enter the words, Scottish Memorials. You will then be directed to a kind of sister site called 'Scottish War Memorial Discussion Forum'
There is a thread in the Fife section (Civic Memorials) on Kirkcaldy War Memorial and the person who's thread it is says to contact him for further info.
Anne