Very few Chymists about!
I can see :
James Chymist of 5 Marlborough Road, Dalston, bachelor, died 3 Dec 1859, Letters of Administration to Jane Abigail Berkeley (wife of George Brackenbury Berkeley gentleman) of Shenley, county of Hertford, sister of deceased.
and
Emily Chymist 11 Somerville Rd Peckham , spinster, died 8 June 1918 at Greenwich Union Infirmary. Probate to Emily Sharpe spinster and Henry Hewitt LAmbert solicitor.
Not must help I know - but probably related somehow!