Hi Sheila,
I have been hunting for anything further to no avail.
Sorry - should have checked further - this could not be her parents. 
I did realise when I found the marriage followed by the arrival alone, that this was not Susan's parents. As you say, I also wondered if he may have been a young widower but there is no child with him. This Bernard's father was not recorded at marriage. (That marriage was in Mt Barker)
Looks like there is a second Bernard marrying at St Pats I wondered if may have been connected but alas he lists father as George
SMYTH Bernard 26 status not recorded father George = OCONNELL Catherine 19 status not recorded father Martin O'Connell 16 Oct 1864 St Patrick Adelaide Dist Ade 60 250 - No births or BISA entry listed
I do not see Susan's arrival in SA. Looking for anything further re possible siblings all I have found is
SMITH Terence 22 status not recorded father Bernard SMITH = CONNOR Cecily 22 status not recorded father Peter CONNOR 22 Aug 1856 Penrice Dist Kap 27/211
Sorry I do not seem to be finding anything helpful
There is no death listed in SA for Susan's father Bernard.
Cheers Kris
