http://www.cooganresearchgroup.com/crg/index.htm

02 October 2011

COOGANs designated as naturalized citizens of the United States within 
the State of Louisiana [LA] between 1831 and 1906:
***Note - not a complete listing***

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Coogan, Thomas, age ?
   native of Ireland
   resident of New Orleans
   D 23 SEP 1868
   witness: Clear, Fred & Shaffel, E. W. [or Shiffel, E. H.]
   NOTES - he arrived in 1839, being then a minor
           witnesses state he has lived in the US for the last five years

source: Civil District Court Building Nat. (5th District), Major's 
           Naturalization Book [6 PE, 168B] (1831-1906)\
        Register of Naturalizations of Minors, 5th District Court, 
           Louisiana [VOL III] (1868)

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