The photograph is dated 1918, with the following message written on the back:
“With dearest love and kisses to our darling Daddie from your loving little daughter & Sonnie (?) Dora & Glyn”
A further line says "taken on baby's birthday March 4 1918, one year and five months old"
"During the last fourteen months we had been hopeful that the search would result inhim being reunited to his family" said Bristol Airport's Jacqui Mills.
"We have not been successful in this search and have drawn a blank".
More top news
Shelter Cymru said it has concerns about landlords’ ability to use Section 21 notices to evict tenants without explanation.
A three hour operation to tackle the blaze involved firefighters the Port Authority and coatguards.
Food bank charity, The Trussell Trust said benefits must rise in line with inflation to cover the cost of essentials.