• Born: 31 Aug 1774, Waterbury CT
• Marriage (1): Anna Cook in 1795 in Waterbury CT
• Died: 5 Sep 1849

  General notes:

Silversmith and clockmaker

  Events in his life were:

• Apprenticed circa 1790-1795 to Jesse Hopkins in Waterbury CT
  
  His master's trade in buckle and button making having fallen away, he left to take up steel founding, at which he found considerable success.

• He worked in 1806-1835 as a clockmaker in Waterbury CT

• He was a partner in 1810-1813 with William K. Lamson in Waterbury CT as LEAVENWORTH & LAMSON.

• He was a partner in 1835-1849 with Corydon Stillman Sperry and Willard Spencer in Waterbury CT as LEAVENWORTH, SPENCER & SPERRY, manufacturing gilt, brass, and cloth buttons.

• He was a partner in 1829-1833 with Green Kendrick and Benjamin Franklin Leavenworth in Waterbury CT as LEAVENWORTH & KENDRICK, manufacturing gilt buttons.

Mark married Anna Cook, daughter of Unknown and Unknown, in 1795 in Waterbury CT. (Anna Cook was born on 8 Mar 1778 in Waterbury CT and died on 9 Apr 1842 in Waterbury CT.)