N.H. Rev. Stat. Ann. § 460:1

Every woman shall hold to her own use, free from the interference or control of any husband she may have, all property at any time earned, acquired or inherited by, bequeathed, given or conveyed to her, either before or after marriage, if such earning, acquisition, conveyance, gift, or bequest were not occasioned by payment or pledge of the property of the husband.