It is not likely that many of the local shopkeepers who were trading in 1835 were still at work in 1889, but there may be one or two.
Compare the entries in Sutton's Directory
with those in Pigot's Directory.
Can you find any tradesmen who are still working?
Look for tradesmen with the same surname. Businesses were often passed
from father to son.
Dealers in Sundries were just shopkeepers who sold a wide variety of different goods and therefore couldn't easily be put in any category.
.
The surnames are first