Samuel Robinson was born around 1846 in New York to Samuel P. Robinson and Alzayda Willey. His father was a merchant and farmer who owned $10,000 of real estate and $1,500 of personal property by 1860. The family lived in Brooklyn, New York, until the 1850s, when they moved to Stanford, New York. His father died on June 1, 1868, and Robinson helped care for his mother and sisters. By 1870, he was working as a clerk in a “fish store” in Newark, New Jersey, and he owned $1,200 of real estate. A decade later, he was working as a “provision merchant.” He died in Newark on September 20, 1884.