N.H. Rev. Stat. Ann. § 21:18
The words "insane" or "insane person" shall include every idiot, non-compos, lunatic, insane, or distracted person.
Source. RS 1:15. CS 1:15. GS 1:17. GL 1:17. PS 2:18. PL 2:18. RL 7:18.