The name Alaska is a girl's name of Native American origin meaning "great land". Alaska and is often added to lists like Middle Names for Girls and discussed in our forums with posts like "Adding Then Eliminating -- Girls Themed".
From the experts:
State name Alaska stems from an Aleutian word for the land mass itself. The number of baby girls named Alaska has doubled in the past five years, and is sure to continue increasing as more place names are annexed as baby names. Wilder but as habitable as Dakota or Cheyenne, Alaska is a girls' name choice for the future.