Could you be off one generation?
On the 1910 Census in Lake Providence Ward 3, East Carroll, Louisiana
William E Long 49 head
Madge Long 47 wife
McFarland Long 17 son
M* Childs 17 step-son
Lucile McCullough 49 sister-in-law
On this sitehttp://eastcarrollparishlouisianagenealogy.blogspot.com/2009...
McFarland Long is mentioned underBell Meade Plantation and Cottonwood Plantation.