Here is Little Texas in Assumption Parish

http://www.maplandia.com/united-states/louisiana/assumption-parish/little-texas/

See also:

http://www.maplandia.com/united-states/louisiana/assumption-parish/lower-texas/

https://www.google.com/search?client=safari&rls=en&q=www.google.com&ie=UTF-8&oe=UTF-8#q=%E2%80%9CTexas+in+Assumption%22&rls=en

And,

The Lafourche District: The Land and Its People, p. 5

http://books.google.com/books?id=3Hl0gGZY5bkC&pg=PA5&lpg=PA5&dq=Little+Texas+in+Assumption+in+the+civil+war&source=bl&ots=ES-DPIwdk4&sig=BoLRuYqno0P5uuBghRlSSoe3Iec&hl=en&sa=X&ei=T8LvU7P0G4__oQS30oDoAw&ved=0CGcQ6AEwCA#v=onepage&q=Little%20Texas%20in%20Assumption%20in%20the%20civil%20war&f=false