23.2.1796 Mattocks at mrs Inchbald's with C Kemble, H Siddons. In Godwin's 1796 list for 1796 as mrs Mattocks (crossed out) but wrongly transcribed in GD website as mrs Mallocks
Isabella Mattocks DNB 1746-1826. She acted Mrs Placid in Inchbald's Every One Has his Fault and Widow Warren in Holcroft's Road to Ruin. DNB says in summer she generally joined her husband in Liverpool