Hi grossan.
I should have said Mallusk cemetery would have been the closest in that time, as Carnmoney Cemetery is not old enough.
Found 4 records for baptisms in Carnmoney Presbyterian church, for children of Robert Wilson and Jane / Jean Speer.
1.
Margaret, born 10 Feb 1832. Bapt 29 Mar 1832.
2.
Jane, born 26 Aug 1836. Bapt 19 Oct 1836.
3.
Elizabeth, born 28 Oct 1839. Bapt 2 Jan 1840.
Mother's first name has been entered as Jean at this baptism.
4.
Thomas, born 29 Sept 1848. Bapt 3 Dec 1848.
Could this mother be the Margaret above ?.
Lydia, born 12 Jan 1858. Bapt 1 Mar 1858.
Parents, John Kerr and Margaret Wilson.
As you can see this minister went to the trouble of entering birth dates.
This headstone, I suspect, may belong to the above Thomas Wilson, the age works in.
Mallusk Cemetery, section A-12.
Grey marble stone and surround.
WILSON
In loving memory of Thomas Wilson, Ballyvesey, who died 24 February 1931 aged 82 years. Also his wife, Isabella who died 29 May 1941 aged 90 years. Their son, James who died 31 December 1956 aged 82 years, his wife Elizabeth who died 28 July 1958 aged 78 years.
At rest.
Left edge, ( This inscription must be on the surround).
His son Robert who died 5 October 1931 aged 55 years.
Regards,
Dixie