He married Elizabeth Orton in 1844. His baptism date is also listed as 29 June 1835. And an alternate birth place is Derryfield, Hillsboro, New Hampshire.
Born in Stockholm, St. Lawrence, New York
He should not be confused with Silas Sanford Smith, who also served in the Society Islands Mission at the same time. In July 1855, he was appointed to replace Philip B. Lewis (as Mission President) in a conference of the Sandwich Islands of the Mission.
Arrived in Field Date per Hawaiian Mission Record of Missionaries, 1850-1914.