A probate search reveals he died on 16 June 2021 (probate granted 10 June 2022). Who's Who records his death in 2021 and wikipedia updated its entry on the Bird baronets to record his death in Sept 2022.
Sir Richard Geoffrey Chapman Bird, 4th Baronet was the son of
Sir Donald Geoffrey BIRD, 3rd Bt (1906-1963) and (m 1930) Anne Rowena CHAPMAN (d 1969). He m (1) 1957 Gillian Frances HAGGETT (d 1966) and (2) 1968 Helen Patricia BEAUMONT and had 2 sons and 3 daus by his 1st m and 2 daus by his 2nd m.
His elder son Sir John Andrew BIRD b 19 January 1964 (already entered on the Official Roll of the Baronetage) has succeeded as the 5th Baronet Bird of Solihull. He m Sept Winifred DIXON and has issue:-
1. Henry John b regd Q4/1988 (I'm away from my books at the moment so not sure if DPB 2019 gives a DOB for him but I am guessing he is the ha)
2. Nicholas Richard b 1991
1. Laura Margaret b 1993