One Possibility -- May or may not be the same woman.
Celia MAGUIRE arrived in NSW as an assisted immigrant in 1850. per vessel Panama. Single.
She was b. County Mayo and aged 18. Could not R&W and was a house servant .
Her parents were Michael and Sarah both dead.
No relations in the Colony.
Her sister Jane aged 14 travelled with her and could read and write. Also a house servant.
** It would be good to see a clip of the bits of Caroline's certificate that you cannot read, Frances.
The names which are indecipherable.

As a matter of interest. The other witness on the NSW marriage of Sarah Ann BRYANT to MULEEN, was William J . SOMERVILLE.
Rachel who was witness 1 and mentioned, married him in 1885.
930/1885
SOMERVILLE William j
PARKER Rachel
At SYDNEY
I have not quite found what happened to PARKER.
I think there were more chn.
Sue