Born in Bavaria to A and Helena Kuhn. Immigrated to the United States in 1856 according to the 1900 US Federal Census. US naturalization records indicate he was naturalized Oct. 15, 1897. His passport application also from October of 1897 states his birthdate was Dec. 13, 1837 and immigrated via an unnamed ship in the spring of 1857. His occupation is listed as a merchant. Because at the time, photographs were not in use on passports, Samuel's description is as follows:
Age: 59 years
Stature: 5 feet, 6 3/4 inches, Eng.
Forehead: Low
Eyes: Hazel
Nose: Aquiline
Mouth: with moustache
Chin: round
Hair ?
Complexion: ruddy
Face: broad

Samuel married Theresa Weiss on March 7, 1866 in Avoyelles Parish, Louisiana. They appear on the 1870 US Federal Census record for Ward 6, Vicksburg, Warren County, Mississippi:
SAM KUHN - age 31, male, white, merchant; personal estate value of 3,000, born in Bavaria
T [Theresa Weiss Kuhn] KUHN - age 28, female, white, keeping house; born in Bavaria
L. [Lena] KUHN - age 4, female, white; born in Mississippi
I. [Isaac] KUHN - age 2, male, white; born in Mississippi
ALEX KUHN - age 3 months, male, white, born in Mississippi
? BLOCK - age 21, male, white, clerk, born in France

1880 US Federal census for Monroe, Ouachita parish, Louisiana:

SAML. KUHN - white, male, age 43, married; liquor dealer
THERESA KUHN - white, female, age 38, wife, keeping house
LENA KUHN - white, female, age 13, daughter
ISAAC KUHN - white, male, age 11, son
ALEX KUHN - white, male, age 9, son
NATHAN KUHN - white, male, age 7, son
LAZARUS KUHN - white, male, age 5, son
BERTHA KUHN - white, female, age 3, daughter
ABRAHAM KUHN - white, female, age 1, son
ARTHUR LEVY - white, male, age 24, single, clerk in store, born in Alsace.