• Isaac was born in Boston, Massachusetts. His birth date was recorded on the company roster included in Journal History.

Daniel Spencer/Perrigrine Sessions Company (1847)

• Age at Departure: 19

Sources

• Journal History of The Church of Jesus Christ of Latter-day Saints, 21 June 1847,  6.
• [List of those filing for lots, 1848], in Salt Lake County Recorder's Office, Land records [ca. 1847-1860].