Devon/Somerset/Bristol/Carmarthen - Where was Frederick Richard Nott in 1901?

[David Nott]

I am trying to establish the whereabouts of my grandfather Frederick Richard Nott [b. 1878 in W Buckland, N Devon] between the 1891 census [living with his parents at the New Inn, W Buckland] and his marriage in Reading on 20 April 1904 to my grandmother Maud Mary Richards [b. 1882, Taunton]. He is described in 1904 as a carpenter; sone time between 1906 and 1911 they moved to Wimbledon, where he was a printer-compositor.
The only two 1901 census records that seem to fit a Fred[erick] Nott age about 22 are [1] in Bristol: 'clerk in a tobacco factory', and [2] in Waungader, Carmarthen: 'railway signalman'. However, the GWR employment records [at the NA] for that part of Wales show that a 'Fred Nott' was on the payroll until 25 December 1912 - which cannot refer to my grandfather.
I would be grateful to know any other sources of information about Frederick Richard Nott between 1891 and 1904.

[Old Bristolian]

The Bristol Frederick Nott is clearly the son of Edward and Elmily (sic), a Bristol family, so it cannot be him either

Steve