Finns \Finns\, n. pl.; sing. Finn. (Ethnol.)
   (a) Natives of Finland; Finlanders.
   (b) A branch of the Mongolian race, inhabiting Northern and Eastern Europe, including the Magyars, Bulgarians, Permians, Lapps, and Finlanders. [Written also Fins.]

Source: Webster's Revised Unabridged Dictionary (1913)
 

Finn \Finn\, a. A native of Finland; one of the Finn? in the ethnological sense. See Finns.

Source: Webster's Revised Unabridged Dictionary (1913)