The principal industries of Tullamore were Distilling (two disteillers, Manlys and Dalys). It was in the yard at Manly's Distillery. Cornmarket (now Egans Mallings) that Daniel O'Connell addressed a great public meeting. He was entertained to dinner that night in the Charleville Arms Hotel.
Two breweries - Deveralls in Meath Lane and Manly's where Egans carried on brewing up to about twelve years ago. Goodbodys tobacco factory, burnt in 1883 Tanyard brickyard corn mills. (O Flanagan's); chandlery, sawmills, sailmaking, shoemakers, coopers, tailoring and others.
The quarries were opened about 200 years ago, and according to tradition, the first quarry at Muinagh (Collin's) was worked by a man named Jack Horan. Other quarries were owned at worked at Ballyduff by the Molloys, Wrafters and others.