Born in Grantham, the son of Thomas Hascard and Alice Hand, Hascard married Rachel Fane on 4 February 1667, at Gray's Inn Chapel, Middlesex (now London WC1).
Hascard was a member of the Order of Little Bedlam, a gentlemen's drinking club, founded in 1684.
Portraits held at Burghley House by John Riley and Antonio Verrio painted him as god Bacchus are as a result of being a member.
[3] He was buried in St Giles's Church, Stoke Poges, where a monument was erected in his memory.
[4] Hascard was educated at Emmanuel College, Cambridge, where he was awarded a BA in 1661, an MA in 1664, and a DD in 1671.