Found another family 100 miles up the Mississippi River from New Orleans
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8 entries same family 1740s
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Durocher
Pierre (Pierre [Francois] dit Castillon,of Paris and Catherine Josephe Guichard) bn not given, bt 6 aug 1744 spo Pierre Mayuex & Francois Manne; (PCP-1, 53) also PCP-2, part 1,34)
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Diocese of Baton Rouge; Catholic Church Records; vol 1 Pg 169