« Reply #9 on: Monday 07 June 10 20:15 BST (UK) »
I found Arthur Nelson F Arnold born 1901 Cardiff 2qtr., which fits with the 1901 census.
So he has taken the Hosken surname after his mother Ann dies, In the next census his brother Ormand H is still with his father who has re-married to Georgina 
Ambers
GLAMORGAN: Evans. Davies. Eddy. Bradnum.
GLAM to USA:Walter H Davies 1886.Thomas J 1852
PEMBROKE: Bradnum.Summers
CARMARTHENSHIRE:Davies. Jones
NORFOLK/SUFFOLK: Bradnum.Cork.Helsdon 3 in Australia, Whiskins. Fairhead.Catchpole.
DEVON:Mallett. Acford, Kidston.Short.Lover.Edwards,Telford.Sparrow
SOMERSET: Masey
CORNWALL:Eddy.Thomas Maddern.Harvey. Noy.Reynolds,Batten,Curtis.
Cornwall to USA: Thomas, Semmens. Oats
Warwickshire: Mountney
