Nexus Clonakilty, West Cork and Charlestown and Columbia South Carolina, USA of Deasy and Bateman families
An example is Charles Bateman of Clonakilty, emigrated to South Carolina 1852 and was naturalised 1870 aged 48. He would have gone out to a well established network of relatives who would have migrated from at least the early 19th century.
http://thenewwildgeese.com/profiles/blogs/the-day-the-irish-brigade-saved-the-9th-massachusetts
Click to access Kilgariffe.pdf
And http://homepages.rootsweb.ancestry.com/~sharonmh/Cork. Registers will take you to a list and links to all of register extracts—Bateman is one of the surnames I always take note of and there are numerous parishes there that have Batemans.
http://archive.org/stream/indextomarriagel00cork/indextomarriagel00cork_djvu.txt
Click to access index%20_irish_wills_vol_2_cork_ross_cloyne.pdf
West Cork History 
I was surprised to see a link to my database, and when I clicked on it I was taken to the index for the Morrows. I’m not sure why that particular link? Perhaps better to use either the general link: wc.rootsweb.ancestry.com~sharonmh? However, the Batemans I list there were from the Bandon district, not from Clonakilty. I do have some Clon Bateman records online at: http://homepages.rootsweb.ancestry.com/~sharonmh/Cork.Registers/Kilgariffe.pdf .
Unfortunately the earlier parish registers for Kilgariffe/Clonakilty have not survived.
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