Who was the oldest Great War volunteer?

[philipsearching]

I am curious to know the age of the oldest civilian volunteer to serve overseas in the British Army in the Great War.  (This does NOT include men rejoining the army after previous military service).

The youngest authenticated volunteer was Sidney George Lewis born 24 March 1903 who joined the East Surrey Regiment in 1915 and was at the battle of the Somme in 1916 and there were many many volunteers under the age of 18.  But who was the oldest?

My great grandfather was born on 9 July 1872 and attested on 11 August 1915 (aged 43 years and 1 month) - but I am sure there must have been older civilians who volunteered.  Any suggestions?

[still_looking]

According to Guinness world records, this chap who enlisted in 1914
https://www.cwgc.org/find-records/find-war-dead/casualty-details/361455/r-f-robertson/

S_L

[philipsearching]

I am curious to know the age of the oldest civilian volunteer to serve overseas in the British Army in the Great War.  (This does NOT include men rejoining the army after previous military service).

According to Guinness world records, this chap who enlisted in 1914
https://www.cwgc.org/find-records/find-war-dead/casualty-details/361455/r-f-robertson/

S_L

Thank you for your response.

An interesting chap, but he doesn't fit my criteria of civilian volunteer with no prior military experience serving overseas.  The information on the CWGC website is enough to confirm that he is Robert Frederick Robertson born Taunton 1842, married to Anna Maria who lived in Portsmouth in 1916.

He is on the 1911 census: age 68, Army pensioner and billiard marker, in Portsmouth, with wife Anna Maria and son.  Earlier censuses prove he was the son of an Artillery man, and also served in the Royal Artillery.  Given his age and the fact that he was buried in Portsmouth, I suspect he served in England rather than overseas in the war.

[philipsearching]

A candidate has emerged:

Henry WEBBER, a retired stockbroker who was born 1849 in Kent had three sons who volunteered for the British Army.  He was determined to "do his bit" and, despite having no previous military experience, he managed to persuade the powers that be to accept him in 1915.  He served on the Western Front as battalion transport officer in the 7th Bn. of the South Lancashire Regiment.

Lieutenant Henry Webber died on 21 July 1916 aged 67 in the Somme area.

It is difficult to imagine a gap of some 54 years between the births of Sidney Lewis who volunteered in 1915 aged just 12 and Henry Webber who volunteered in 1915 aged 66.  They were both well outside the conscription age limits - 18 to 41 in 1916 (raised to 50 in 1918).