James Kegg md Cecilia McArd 16 Nov 1844 Rushen
1851 Rushen
Ballacorkish
Isabella McArd head widow 72 b Rushen
Cath (must be Charles) son unmarried 41 ag lab b Rushen
Thomas son 32 unmarried blacksmith b Rushen
Joseph son 29 unmarried mason b Rushen

1851 Rushen
The Level
James Keig head married 31 lead miner's lab b Rushen
Cecilia wife married 32 b Rushen
Isabel daughter 4 scholar b Rushen

I don't see the McArds in the 1841 index. Where do you suppose they came from?