Mary or Miriam = "their rebellion"
derivation: of Hebrew origin (04813)
http://bible.crosswalk.com/Lexicons/Greek/grk.cgi?number=3137&version=kjv

(04813)
Miriam = "rebellion"
derivation: from (04805)
http://bible.crosswalk.com/Lexicons/Hebrew/heb.cgi?number=4813&version=kjv

(04805)
1] rebellion
   1.a] rebellion
   1.b] rebellious (in construct)
derivation: from (04784)
http://bible.crosswalk.com/Lexicons/Hebrew/heb.cgi?number=4805&version=kjv

(04784)
1] to be contentious, be rebellious, be refractory, be disobedient towards, be rebellious against
   1.a] (Qal) to be disobedient, be rebellious
       1.a.1] towards father
       1.a.2] towards God
   1.b] (Hiphil) to show rebelliousness, show disobedience, disobey
http://bible.crosswalk.com/Lexicons/Hebrew/heb.cgi?number=4784&version=kjv