Career
In 1823 he partnered with William Henry Perrins, opening a drug store in Worcester. The two are known for creating the Lea & Perrins brand of Worcestershire sauce. Lea was also an alderman and was elected mayor of Worcester in 1834 but served only three months in office.
He died of acute dyspepsia (a fatal stomach disorder where the stomach cannot function properly) on 23 March 1874 at Stanfield House, Upper Wick, Worcestershire, and was buried in the family tomb at Street Peter"s, Powick.