N. S.—New Style, (after 1752;) Nova Scotia.

n. u.—Name or names unknown.

Num.—Numbers; Numeral.

N. V. M.—Nativity of the Virgin Mary.

N. W.—Northwest.

N. Y.—New York.

N. Y. H. S.—New York Historical Society.

O.—Ohio; Octarius, a pint.

Ob.—Obiit, he or she died.

Obad.—Obadiah.