In the early and mid 1890s he practiced as an architect in Chicago,[3][4] but by 1899 he had relocated to the much smaller city of Marietta.
[2] Holmboe & Lafferty grew to become the most prominent architectural firm in the Clarksburg region, but was dissolved in 1920, soon after the end of World War I.
After a brief period alone, Holmboe established a new partnership with Guy M. Pogue, who had been educated by Charles W. Bates and been a practicing architect in Wheeling for five years.
[5] Holmboe & Pogue appears to have lasted for only a few years, but completed several major projects, including four county courthouses.
Buildings of this type by Holmboe & Lafferty were built in such faraway states as Florida and North Dakota.