The New Orleans library has an Alphabetical Index of Changes in Street Names from 1852 - 1938. I don't know if this will help with the question about property in McDonough, but here's the link: http://nutrias.org/~nopl/facts/streetnames/namesa.htm Please support me in the N.O. Komen Oct. 23. http://tinyurl.com/DonateToKomen