« Reply #19 on: Tuesday 24 July 12 17:26 BST (UK) »
Maybe the enumerator heard birthplace 'at Smeeth' as 'at sea'

?
FOULIS, MOFFAT, Scotland, NZ, Canada
SPENCE-THOMAS, Forest of Dean, Wales, England
ADAIR, Dublin
MAGGS, BULL, Bristol, England, Ireland
ALLEN, London, Bristol
GREEN, Shefford, Beds, Somerset
DURRELL, Wivenhoe
BRIDGMAN, England