I don't have anything on a Hoshua Morse m. 1698 but have the following information on a Joshua Morse who m. an Elizabeth Doty:
Joshua MORSE was born about 1675 in Beverly, MA.He died in 1754 in Beverly, MA. He was married to Elizabeth DOTY (daughter of John DOTY and Elizabeth COOKE) on 12 Dec 1698 in Plymouth, MA.Elizabeth DOTY was born on 10 Feb 1676 in Plymouth, MA.She died in 1772 in Plymouth, MA.Joshua MORSE and Elizabeth DOTY had the following children:
i. Joshua MORSE was born on 12 Sep 1699 in Plymouth, MA. ii. Elizabeth MORSE was born on 8 Oct 1701 in Plymouth, MA. iii. Edward MORSE was born on 17 Jul 1704 in Plymouth, MA. iv. Joseph MORSE was born on 29 Dec 1706 in Plymouth, MA. v. Newberry MORSE was born on 28 Jul 1709 in Plymouth, MA. vi. Abigail MORSE was born on 22 Sep 1711 in Plymouth, MA. vii. Theodorus MORSE was born on 20 Aug 1714 in Plymouth, MA.