Charles Tisdall (b 13 Oct 1756) married Marria Croker and had issue Charles Tisdall born Dublin.  He married Susanna FitzMaurice, the daughter of Harman FitzMaurice and Maria Evans on 2 April 1820 at Leighlin, Carlow.  Had issue a son Rev Charles Edward Tisdall b 19 May 1821.

Rev Charles Edward Tisdall married 8 Oct 1855 Frances Caroline Barton (she was born 1828 in Dublin and died 1 Mar 1914 at 22 Herbert Place, Dublin.  They had issue:-

1.  Sidney FitzMaurice Tisdall b 1856 and died 28 Jan 1868

2.  Henry Cusack Wilson Tisdall b 14 Nov 1861.  He married Haidee Brabazon Pilkington (b 1868 Ceylon and died 24 March 1965). He died 6 Nov 1954.