Joseph Grose Colmer was born on January 3, 1856, in Bloomsbury, Middlesex, England.

He was a Canadian civil servant and author who supported Anglo-Canadian cooperation. Born in England, he went to the Dominion as a youth and worked at the Merchants Bank of Canada. In 1880, he joined the Canadian Civil Service and in 1884, he served as the Private secretary to the first High Commissioner for Canada Sir Alexander Galt and his successors Charles Tupper and Lord Strathcona in London, England. In 1893, he left government service but continued to take a keen interest in Anglo-Canadian relations. He also served as Secretary on the Colonisation Board (1889–1926); Honorary Secretary of the Canadian War Contingent Association (1914–1919); and Honorary Secretary of Canada Club (1896–1922). He shared a Statist Prize of 1000 guineas in 1896 for an essay on the Commercial Federation of the Empire. He was also a member of the Tariff Commission (1904) and one of HM’s Lieutenants, City of London (1918). He was an advocate of an Imperial Preference system. He published numerous articles and essays on various aspects of life in Canada and its politics and industries. He wrote the book "Across the Canadian Prairies: A Two Months' Holiday in the Dominion" (1895).

In 1887, he married Margaret Cox (1861–?). He died on February 27, 1937, in London, England.

Edward Colonna (1862-1948) was born in Germany and studied in Belgium. In 1882 he emigrated to the United States. Initially he worked in New York at the Associated Artists, a group of interior decorators headed by Louis Comfort Tiffany. Later he worked as a railroad car designer from 1886 until 1888 for the Barney and Smith Railroad Car Manufacturing Co. in Dayton, OH. Colonna moved to Montreal in 1889 where he worked as an architect and an interior designer, primarily for the Canadian Pacific Railway Company, and for the company's vice-president, William Van Home. He designed railway cars and stations, as well as the interior of Van Home's sumptuous Sherbrooke Street house in Montreal. Colonna was instrumental in developing the Château style for Canadian Pacific's stations across Canada. After he left Montreal, Colonna returned to Europe where he worked from 1898 until 1903 for Samuel Bing's gallery in Paris, L'Art Nouveau. Colonna is best known as a pioneer of the Art Nouveau movement.

Edward Colonna (1862-1948) est né en Allemagne et a étudié en Belgique. En 1882, il a émigré aux États-Unis. Il a d'abord travaillé à New York chez Associated Artists, un groupe de décorateurs d'intérieur dirigé par Louis Comfort Tiffany, puis a travaillé comme dessinateur de wagons de train de 1886 à 1888 pour les fabricants de wagons Barney and Smith de Dayton (Ohio). Colonna s'est installé en 1989 à Montréal où il a exercé des activités d'architecte et de décorateur d'intérieur surtout pour la société Canadien Pacifique et pour le vice-président de cette société, William Van Horne. Il a dessiné des wagons de chemin de fer et des gares, de même que l'intérieur de la somptueuse résidence de Van Horne, rue Sherbrooke, à Montréal. Colonna a contribué à donner un style Château aux gares du Canadien Pacifique d'un bout à l'autre du Canada. Après son départ de Montréal, Colonna est retourné en Europe où il a travaillé, de 1898 à 1903, pour l'Art Nouveau, la galerie d'art parisienne de Samuel Bing. Colonna s'est surtout fait connaître pour son rôle de pionnier dans le mouvement Art Nouveau.

Arthur Hugh Urquhart Colquhoun was born on December 2, 1861, in Montreal, Quebec.

In 1906, he became Deputy Minister of Education for Ontario and served in this capacity with five ministers of education till 1934. He was also a journalist and author. He contributed to several magazines and served on the staff of the Montreal Daily Star, Montreal La Presse, Ottawa Journal, and Toronto Mail and Empire. He published the books "Fathers of Confederation: A Chronicle of the Birth of the Dominion” (1916) and "Press, Politics and People: The Life and Letters of Sir John Willison, Journalist and Correspondent of the Times" (1935). He also served as secretary of the Canadian Press Association.

In 1890, he married Mary Robina Colquhoun (1863–1894). He died on February 9, 1936, in Toronto, Ontario.

Catherine (Kate) Colquhoun was born 4 March 1861 at Colquhoun, Dundas County, Ontario, a small village - now vanished except for a few traces - north of Morrisburg. She graduated from the McGill Normal School in 1882, and thereafter for several years taught in a one room schoolhouse at Abbotsford, Quebec. In 1886 she married Robert Whitney, a local Abbotsford farmer, and her sister Martha replaced her as the teacher at the start of the next school year. Kate Colquhoun and her husband had two children, a daughter and a son who both died in infancy. She herself also died young, aged 30, and is buried in St. Paul's Anglican cemetery, Abbotsford.