Brenda,
Griffiths Valuation for Moyarget Lower shows Samuel Craig farming plot 12 (shared with Hugh Craig). That was a 20 acre farm. Next door on plot 13 was John Gray with 24 acres. So it appears that Charles married the girl next door (literally).
Those farms today are off the Moyarget Rd. You can see where they are using the maps on the Griffiths Valuation site.
http://www.askaboutireland.ie/griffith-valuation/index.xml
You can follow through and see who live don those properties right up to 1929 using the revaluation records:
http://www.proni.gov.uk/index/search_the_archives/val12b.htm
There were still Craig & Gray households there in 1901 & 1911:
http://www.census.nationalarchives.ie/pages/1901/Antrim/Ramoan/Moyorget_more_Lower/
The families all appear to be Presbyterian so those would be the records to focus on for baptism and marriages before the start of statutory registration (1864 for births and 1845 for marriages). Ballycastle Presbyterian church?s records start in 1829. They don?t appear to be on-line anywhere but there is a copy in PRONI (the public record office) in Belfast. A personal visit is required to access them though.
There?s probate abstracts (summaries) on a number of Craig and Gray families in Moyarget on the PRONI website:
http://applications.proni.gov.uk/DCAL_PRONI_WillsCalendar/WillsSearchResults.aspx
An example is for Samuel Craig:
The Will of Samuel Craig late of Moyarget County Antrim Farmer deceased who died 28 September 1869 at same place was proved at Belfast by the oaths of Francis Kane of Moyarget and Nehemiah Craig M'Caughan of Islandboy both in (Ballycastle) said County Antrim the Executors.
The will itself is on-line. Samuel was 89 when he died (acc to the GRONI site).
Next step would be to look at the chruch records and also the tithe applotment records (c 1825) and the 1803 agricultural census, to see which Craigs and Grays were in Moyarget then. The tihes and the 1803 census are both on Bill McAfee's website.
http://billmacafee.com
Elwyn