One of the rarest types of stars classified by Nancy Houk in her Michigan Spectral Catalogue are the yellow supergiants. Over 161,000 stars were catalogued visually using 10° objective-prism plates (2 Å resolution), but only 29 F and 15 G stars were assigned luminosity classes of Ia, Ia/ab, Iab, and Iab/b. For this investigation, the corresponding Tycho magnitudes and Gaia distances, along with other previously published observations, have been used to focus on the temperatures, luminosities, absolute bolometric magnitudes, B-V color indices, radii, distances, and Galactic (l, b) distributions of these stars. These characteristics have been used to study the yellow supergiants both as individuals and as a group, and they are presented via a variety of graphs, including H-R diagrams and Galactic distribution plots. We trust our findings will inspire others to further study these unique stars.