[3][4] Her grandfather, August Franz Globensky was a Polish-German physician who had been hired by the British Army as a mercenary to suppress colonial rebels during the American Revolutionary War.

[6] Her juvenile diary indicates that like other children she participated in music lessons and social engagements and documents her regular attendance at church.

He became a Queen's Counsel in 1880 and later served as speaker of the Senate, Chief Justice of Quebec, and as professor of law at his alma mater.

They raised their children in a hybrid environment, respecting British customs, while maintaining strong ties to their French language and culture.

[21] While she raised her children with strict Victorian morals, refusing to allow them to ride bicycles and requiring them to attend church, Lacoste indulged their theatrical interest, encouraging them to participate in dramatic productions.

[6] She remained active in patriotic and philanthropic endeavors until her death,[38] noting in her diary the night before she died that she had been able to secure housing for four orphans.

[38][39] Her funeral, attended largely by society figures and dignitaries, took place at Saint-Jacques Cathedral on 15 December, after which she was interred at the Notre Dame des Neiges Cemetery.

[42] Sophie Doucet has published various articles, including a PhD thesis, evaluating how joy, sadness, and love were demonstrated by Lacoste a devout French-Canadian Catholic, in her writings.

[12] Her son Louis, worked in the Quebec Court of Appeal and invented a ship brake that was used on vessels by both the Canadian and US governments.

[22] She served as the inaugural president of the Association of Conservative Women of Quebec and in 1932 became the first female delegate sent by Prime Minister R. B. Bennett to represent Canada at the League of Nations.

[45] Berthe married Jean Hayward Dansereau and owned and operated a successful catering business in Montreal, refusing to become idle after her husband's early death.