Statistics for occurrence #1 of “Port Hudson” in chapter 16, regiment reg153 of Frederick H. Dyer, Compendium of the War of the Rebellion: Regimental Histories:

...le October 25. Action at Georgia Landing near Labadieville October 27. Duty at Baton Rouge and in the District of La Fourche till May, 1863. Advance on Port Hudson May 20-24. Siege of Port Hudson May 24-July 9. Assaults on Port Hudson May 27 and June 14. Designation of Regiment changed to 1st Corps de Afrique June 6, 1863, which see.
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Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
† Port Hudson (Louisiana, United States) 5,174 745 536 95 0 user votes
Port Hudson (Missouri, United States) 0 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.