The church in Louis was built of stone and dedicated to St. Anthony of Padua.
Louis was founded on 14 June 1766 by LeRoy & Pictet as a Roman Catholic colony. The colony of Chasselois was destroyed in 1785 and many of its surviving inhabitants relocated to Louis.
| 
			 Year 
			 | 
			
			 Households 
			 | 
			
			 Population 
			 | 
		||
|---|---|---|---|---|
| 
			 Total 
			 | 
			
			 Male 
			 | 
			
			 Female 
			 | 
		||
| 1767 | 
			 57 
			 | 
			
			 193 
			 | 
			
			 | 
			
			 | 
		
| 1769 | 
			 50 
			 | 
			
			 202 
			 | 
			
			 103 
			 | 
			
			 99 
			 | 
		
| 1773 | 
			 50 
			 | 
			
			 237 
			 | 
			
			 118 
			 | 
			
			 119 
			 | 
		
| 1788 | 
			 | 
			
			 | 
			
			 | 
			
			 | 
		
| 1798 | 
			 52 
			 | 
			
			 314 
			 | 
			
			 163 
			 | 
			
			 151 
			 | 
		
| 1816 | 
			 | 
			
			 | 
			
			 | 
			
			 | 
		
| 1834 | 
			 | 
			
			 | 
			
			 | 
			
			 | 
		
| 1850 | 
			 | 
			
			 | 
			
			 | 
			
			 | 
		
| 1857 | 
			 | 
			
			 | 
			
			 | 
			
			 | 
		
| 1859 | 
			 | 
			
			 2,091 
			 | 
			
			 | 
			
			 | 
		
| 1886 | 
			 | 
			
			 | 
			
			 | 
			
			 | 
		
| 1891 | 
			 | 
			
			 | 
			
			 | 
			
			 | 
		
| 1894 | 
			 | 
			
			 | 
			
			 | 
			
			 | 
		
| 1897 | 
			 | 
			
			 3,208* 
			 | 
			
			 1,630 
			 | 
			
			 1,578 
			 | 
		
| 1904 | 
			 | 
			
			 | 
			
			 | 
			
			 | 
		
| 1910 | 
			 | 
			
			 | 
			
			 | 
			
			 | 
		
| 1912 | 
			 | 
			
			 5,393 
			 | 
			
			 | 
			
			 | 
		
| 1920 | 
			 755 
			 | 
			
			 4,315 
			 | 
			
			 | 
			
			 | 
		
| 1926** | 
			 545 
			 | 
			
			 2,744 
			 | 
			
			 1,328 
			 | 
			
			 1,416 
			 | 
		
*Of whom 3,193 were German.
**Of whom 2,740 were German (541 households: 1,324 male & 1,416 female).
Catholic
Beratz, Gottieb. The German colonies on the Lower Volga, their origin and early development: a memorial for the 150th anniversary of the arrival of the first German settlers on the Volga, 29 June 1764 . Translated by Adam Giesinger (Lincoln, NE: American Historical Society of Germans from Russia, 1991): 351.
Diesendorf, V.F. Die Deutschen Russlands : Siedlungen und Siedlungsgebiete : Lexicon. Moscow, 2006.
Orlov, Gregorii. Report of Conditions of Settlements on the Volga to Catherine II , 14 February 1769.
Pallas, P.S. Reise durch verschiedene Provinzen des Russischen Reichs. Theil 3,2, Reise aus Sibirien zurueck an die Wolga im 1773sten Jahr (St. Petersburg: Kaiserl. Academie der Wissenschaften, 1776): 612.
Preliminary Results of the Soviet Census of 1926 on the Volga German Autonomous Soviet Socialist Republic (Pokrovsk, 1927): 28-83.
Schnurr, Joseph. Die Kirchen und das religiöse Leben der Russlanddeutschen - Katholischer Teil (Stuttgart: Selbstverlag Joseph Schnurr, 1972): 127-128.
"Settlements in the 1897 Census." Journal of the American Historical Society of Germans from Russia (Winter, 1990): 17.