Hi there,
Re 10th v 16th March 1844.... I am not sure that the actual date in March is significant, as I think that any journey from Carcoar to Sydney Town involving a new baby would also involve that new baby's mum, particularly for feeding the wee babe. What strikes me as significant is that the baptism occurred in the week immediately before Easter, and that it is very rare to find C of E baptisms during Lent, at any time in NSW records until at least the 1930s. As the C of E was the established Church in NSW from settlement, and as the baptism was at St James C of E, I think that a baptism in the week before Easter is indicating that the baby or possibly his mum was not expected to survive the week. This suggests to me that the birth occurred in Sydney Town rather than at Carcoar..... I really have difficulty in imagining a Medico permitting his wife and new babe to undertake the journey from Carcoar to Sydney in 1844.... Very few suitable overnight accomodations, where to re-fresh or stable horse/s, and the climb up to Mt Boyce even from Mt Blaxland would all be huge obstacles to my way of thinking. Possible ferry/punt at the Nepean (a bridge was finished during 1844 and opened by Gov. Fitzroy, but I don't have the month handy, adding I need to confirm this, my private family papers have it as 1856 ); getting across South Creek, Eastern Creek etc all long before arriving at Parramatta etc.
I am assuming that the doc issued by NSW BDM re TBC's birth and baptism is actually a typed up document, issued in 2011 and thus is a transcribed record made in 2011. I think if it is important to know if it reads 10 th or 16 th March 1844 that the actual hand written parish register was filmed many moons ago and can be sighted at the NSW State Library.
PS, I am not a descendant, just an RChatter with a reputation for being somewhat NSW Centric, particularly for 19thC records... Several of my forebears arrived before Gov Macquarie and there's so many of us scattered throughout the central west and far west of NSW, generation after generation of us....
Cheers, JM