If you are interested in finding some more information about your Haren/Harhen's ancestors, please be sure to let me know. Hopefully, someone in the local community will be able to let you know about any Haren/Harhen's still living in the area.
You might find these links of interest: http://www.irishtimes.com/ancestor/surname/index.cfm?fuseaction=Go.&UserID=
http://www.irishtimes.com/ancestor/surname/index.cfm?fuseaction=Go.&UserID= The name Harhen is found 100% in County Clare in the mid-19th century. You will also find the variant spelling of the two names on these links.
You could also check the 1901/1911 census records for an idea of where these families were in Ireland at this time: http://www.census.nationalarchives.ie/search/
Please make sure you link anyone else in your family who is interested in their Irish heritage to our site - and indeed anyone else you know of Irish heritage.
Genealogist (Ireland XO)