If we add the SHIP PROJECT we are about to create here, we will not overlap... Hopefully :)
Calphurnia arrived 2nd April 1849
BOWMAN John, wife (Betsy?), Jas, Alex, John, Wm, Agnes, 3 ch (inc Ptr, Francis?) arrived in SA 1849-04-02 aboard Calphurnia from London 1848-12-10
John Bowman