She collected coins and medals and ephemera which are now historically valuable like broadsheets, newspaper clippings, visiting cards, prints, advertisements and playbills.

[2][9] She "discussed questions of plant biology with her brother..." and "...influenced him greatly.

"[10] Many "of her ideas made their way into his writings [and she] also provided valuable support by recopying and editing the entire manuscript of Banks' Newfoundland voyage (published 1766).

"[10] Sarah and Joseph Banks hosted many gatherings at their house on Soho Square, which with its "vast library" full of books and collections "became a place to meet, eat and talk for those with natural history interests".

The rediscovery of her scrapbook on the London Monster, a man who attacked dozens of women 1788–90, led directly to Jan Bondeson's book on the subject in 2000.