His obituary was to have been forwarded to Boston newspapers, so he may have been born in Massachusetts, USA.
His death date is confirmed by his obituary, which shows his name as “Stephen F. Pierce.” The sources we have for Stephen at the time of his death, show that he was 74 years old, which would make his date of birth about 1791.
Lehi Ward financial records show his name as "Stephen H Pierce."
The Territorial Militia Records show his name as "Stephen H. Pierce."
In 1856 he made a church donation while was living in the Lehi Ward, and he died while in Lehi, Utah.