Background
Lucy was the son of Thomas Lucy of Charlecote Park and his wife Constance Kingsmill daughter of Sir Thomas Kingsmill of High Clere, Hampshire.
Lucy was the son of Thomas Lucy of Charlecote Park and his wife Constance Kingsmill daughter of Sir Thomas Kingsmill of High Clere, Hampshire.
Lucy was knighted on 8 January 1617 and created baronet of Broxbourn in the County of Hertford on 11 March 1618. In 1654 he was elected Member of Parliament for Hertfordshire in the First Protectorate Parliament and was re-elected in 1656 for the Second Protectorate Parliament. Lucy married firstly Elizabeth West, widow of Robert West and daughter of Sir Henry Cock of Broxbourn.
Their son Kingsmill succeeded to the baronetcy.
In 1647, Lucy was elected Member of Parliament for Old Salisbury in the Long Parliament and sat until 1653 through the Rump Parliament.