- Birth*: Helena Johnston was born on 29 December 1848 at Dundee, Forfarshire, Scotland, .1
- She was the daughter of Lewis Johnston and Helen Grubb.1
- Death*: Helena Johnston died on 1 January 1849 at Whitehall Close, Dundee, Forfarshire, Scotland, ; cause of death debility, daughter of Lewis Johnston, sailor.1
- [S18] FDCA, online www.FDCA.gov.uk, FDCA (City Square, Dundee), Surname beginning with J page 62 ref 850 [Mar 2015].
Mother*: Helen Grubb1 b. c 1819, d. 29 Aug 1869