Henry Thomas Spear
- Born: 29 Apr 1814, Quincy MA
- Marriage (1): Hepsabeth Fernald
- Died: 24 Nov 1887, Boston MA
General notes:
Jeweler and watchmaker
Events in his life were:

- Partnership: William P. McKay, circa 1840-1850, in Boston MA. As WILLIAM P. MCKAY & Co., listed in the 1845 city directory at 52 Milk Street.
- He appeared on the census in 1850 in Quincy MA. Listed as a jeweler.

- Partnership: William P. McKay and James W. L. Brown, circa 1855-1860, in Boston MA. As MCKAY, SPEAR & BROWN, listed in the 1855 city directory at 195 Washington Street.
- He appeared on the census in 1855 in Boston MA. Listed as a jeweler.
- He appeared on the census in 1860 in Boston MA. Listed as a watchmaker.
- He appeared on the census in 1865 in Boston MA. Listed as a jeweler.
- Partnership: Daniel B. Spear, in 1865-1880, in Boston MA. As HENRY T. SPEAR & SON, wholesale jewelers with a shop at 156 Washington Street.
- He appeared on the census in 1870 in Boston MA. Listed as a jeweler.
- He appeared on the census in 1880 in Boston MA. Listed as a watchmaker.
Henry married Hepsabeth Fernald. (Hepsabeth Fernald was born in Nov 1809 in Portsmouth NH and died on 5 May 1886 in Boston MA.)
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