Abigail Collins
From The Dark Shadows Wiki
Abigail Collins was the sister to Joshua Collins and Jeremiah Collins. It was at her invitation, that the infamous Reverend Trask came to Collinwood (385).
Abigail was a spiteful woman and a religious fanatic; it was she who was responsible for making the accusations of witchcraft against Victoria Winters in the year 1795 (367). Abigail also testified against the girl at her trial (427).
Abigail died unmarried, killed by fright when she saw her nephew Barnabas Collins, whom she thought to be dead, rise as a vampire (432).
