Hare was the son of Sir John Hare and his wife Elizabeth Coventry, only daughter of Thomas Coventry, 1st Baron Coventry by his 1st wife Sarah Sebright. He was the great-grandson of Sir Nicholas Hare, Speaker of the House of Commons from 1539 to 1540, who purchased the Stow Bardolph estate in 1553.
He was created a baronet, of Stow Bardolph in the County of Norfolk on 23 July 1641 and appointed Sheriff of Norfolk for 1650. He was re-elected Member of Parliament for Norfolk in 1656 for the Second Protectorate Parliament. In 1660, Hare was elected Member of Parliament for King"s Lynn in the Convention Parliament.
He was elected Member of Parliament for Norfolk in 1661 for the Cavalier Parliament and sat until his death in 1672.
Hare died at the age of 48. Hare married firstly Mary Crane, daughter of Sir Robert Crane, 1st Baronet of Chilton, Suffolk, by whom he had seven children, of whom Thomas succeeded him.
Cavalier Parliament]
In 1654, Hare was elected Member of Parliament for Norfolk in the First Protectorate Parliament.
