What does Rainor mean?
Rainor /rain-or/ [2 sylls.] as a name for boys. Rainor's name origin is Old German, and the meaning of the name Rainor is "deciding warrior". Rainor is an alternate form, with the suffix -or, of Rainer (Old German): transcription of Raynor.
How popular is Rainor?
Rainor is an uncommon given name for men. Rainor is also a unique last name for all people. (2000 U.S. Census)
Displayed below is an analysis of the popularity of Rainor and affiliated names. The only popular varying form of Rainor (outside Top 1000) is Ray (#733 in 2014). Adoption of this boy name was at its most widespread during 1890-1899 (usage of 0.945%) and is now significantly less (usage 0.267%, 71.7% less), with Ray becoming less trendy. (Top 1000 Baby Names Statistics, 2014)