She is the daughter of Patrick Redhead and Eliza McEwen.
On April 18, 1912, Gertrude married Joseph Lawrence Clive Alexis (age 37), son of Nelson Alexis, in Grenada. She is recorded as age 22 <"Grenada, Civil Registration, 1866-1940", database, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:6CTP-2J58 : 2 June 2022), Patrick O'Connel Alexis in entry for Joseph Lawrence Clive Alexis, /> Her father, Patrick O'Connell, is recorded as 'Alexis' too, but this may be a clerical error.