found: Western Map Company, Glendale, Calif. Everett and vicinity ... c1974.
found: GeoNames, algorithmically matched, 2009(ppl; 47°54ʹ46ʺN 122°05ʹ53ʺW)
found: GNIS, July 21, 2010(Snohomish, pop. place, Snohomish County, Wash., populated place that is also an incorporated place with the same name, variant name: Cadyville, 47.9128756° -122.0981848° 47°54ʹ46ʺN 122°05ʹ53ʺW; City of Snohomish, civil, incorporated place, Snohomish County, Wash., 47.9263535° -122.0967300° 47°55ʹ35ʺN 122°05ʹ48ʺW)
found: Washington place names, via WWW, July 21, 2010(Snohomish is a community southeast of Everett at the confluence of the Snohomish and Pilchuck rivers in southwest Snohomish County. An early name was Cadyville for Capt. E.F. Cady who built a military trail over the crest of the Cascades, known as Cady Pass. In the late 1850s, the growing town was called Snohomish City. It was incorporated Nov. 24, 1883)
found: City of Snohomish's Web site, July 21, 2010(City of Snohomish; Snohomish, Washington) Snohomish history > The historical development of Snohomish (Cadyville - named after E. T. Cady, one of the original homesteaders, began in 1859; name changed from Cadyville to Snohomish; Snohomish was est. as the county seat in 1861; in 1890, the City of Snohomish was incorporated; in 1895 the city lost the county seat to Everett)