Bliss married Helen Hurd in 1912 and they had two children before Helen tragically died in the influenza epidemic of 1918. This epidemic, often called the Spanish Influenza Epidemic, was the most severe outbreak of influenza during the 20th century.
Lubos na kaligayahan kasal Helen Hurd sa 1912 at sila ay nagkaroon ng dalawang anak bago Helen tragically namatay sa epidemya ng trangkaso ng 1918. Epidemya na ito, ay madalas na tinatawag ng Spanish influenza epidemya, ay ang pinaka-mahigpit na pag-aalsa ng trangkaso sa panahon ng ika-20 siglo.