I have no idea if either of these is the correct Louis Fletcher, but I ran a check on the 1880 census CDs, and this is what came up:

ensus Place: 7th Ward, Richland, Louisiana
Source: FHL Film 1254467 National Archives Film T9-0467 Page 165B
Relation Sex Marr Race Age Birthplace
William FLETCHER Self M M W 26 MS
Occ: Wo Fa: LA Mo: LA
Medline FLETCHER Wife F M W 20 LA
Occ: Keeping House Fa: LA Mo: LA
Louis FLETCHER Son M S W 1 LA
Fa: MS Mo: LA

Census Place: 3rd Ward, Winn, Louisiana
Source: FHL Film 1254474 National Archives Film T9-0474 Page 612A
Relation Sex Marr Race Age Birthplace
John W. FLETCHER Self M M W 30 LA
Occ: Farmer Fa: --- Mo: ---
Sarah FLETCHER Wife F M W 30 LA
Occ: Keeping House Fa: --- Mo: ---
William T. FLETCHER Son M S W 7 LA
Fa: LA Mo: LA
John FLETCHER Son M S W 4 LA
Fa: LA Mo: LA
James FLETCHER Son M S W 3 LA
Fa: LA Mo: LA
Louis FLETCHER Son M S W 1 LA
Fa: LA Mo: LA