The second son of Roger (d. 1727) and Elizabeth Moore, Thomas Moore presumably apprenticed under his father. In 1711, he married and his clockmaking business soon flourished in Ipswich. In the Ipswich Journal of 17 December, 1720 there carried the advertisement,'This is to acquaint the Curious, That at the Great White Horse in Ipswich is to be seen Thos. Moore's most famous Astronomical and musical clock...' and nine years later, he invented a fusee watch that could be wound in either direction, a design for which was published in Thiout's Traite de l'horlogerie published in 1741. In his will he left the enormous sum of £6,000 to various of his children and in addition some curious clocks including 'my musical spring clock, my ball clock, my rolling clock, the spring table and the moving figures standing above the stairs.'