The name's meaning is from the flatlands. Prair, Praire, Prairea, Prairee, Prairey, Prairi, and Prairy are variants of Prairie. Prairie is a rarely used baby name for boys. It is not listed in the top 1000 names.
Small double wide home, 1250-1350 sq. ft., mid-grade construction: $48,000.  Large double/triple wide home, 1800-1900 sq. ft., mid-grade construction: $72,000.  Largest double/triple wide, 2000-2200+ sq. ft., high-grade construction: $96,000+. Used Home Prices. NADA publishes a manual on manufactured housing prices. The manual is more complex than the corresponding one for cars, but it does exist.
I live in a single wide mobile home it is 14 wide by 75 long ,they do have 16 wide by 80 I think. 24ft x 48ft (1152sq ft) and 24ft x 60ft (1440sq ft). Yes, true...and double wides can be 28' x 70' or whatever. Originally they were mostly 12' wide by up to 60', the 14' became the norm.