Mary Pierce
The McMullin family traveled to the Salt Lake Valley with the John Hindley Company in 1855. The family consisted of Henry and Mary Pierce, and their children, Albert Eals, Alphonzo Pierce, Henry Lufkin, and Edwin Pierce. Also traveling with the company was Henry’s half brother, Willard Glover.
She was the wife of Henry McMullin. In some sources her surname is spelled "McMullen".