Dawson helped do the book-work and manage the plantation belonging to Abel White. Jonathan Small found Mrs Dawson cut to ribbons and half-eaten by jackals, he found Dawson further down the road, quite dead. (The Sign of Four)

 

When Holmes advertised a lost wedding ring, Mrs Sawyer (Sally Dennis's mother) came to collect it. She described Tom Dennis as a smart, clean lad who worked as a stewart on a Union boat. Sally Dennis lived at 3, Mayfield Place, Peckham. (A Study in Scarlet)

 

Enoch Drebber was described as 'caorse in his habits and brutish in his ways.' He was often drunk and was 'free and familiar' with the maid servants. He was found dead at 3 Lauriston Gardens. (A Study in Scarlet)