Boyd’s Bible Dictionary:

(the Lord says). (1) Father of Ahitub (1 Chron. 6:77Meraioth begat Amariah, and Amariah begat Ahitub, (1 Chronicles 6:7)). (2) A high priest (2 Chron. 19:1111And, behold, Amariah the chief priest is over you in all matters of the Lord; and Zebadiah the son of Ishmael, the ruler of the house of Judah, for all the king's matters: also the Levites shall be officers before you. Deal courageously, and the Lord shall be with the good. (2 Chronicles 19:11)). (3) Head of a Kohathite family (1 Chron. 23:19; 24:2319Of the sons of Hebron; Jeriah the first, Amariah the second, Jahaziel the third, and Jekameam the fourth. (1 Chronicles 23:19)
23And the sons of Hebron; Jeriah the first, Amariah the second, Jahaziel the third, Jekameam the fourth. (1 Chronicles 24:23)
). (4) Head of one of the twenty-four courses of priests (2 Chron. 31:1515And next him were Eden, and Miniamin, and Jeshua, and Shemaiah, Amariah, and Shecaniah, in the cities of the priests, in their set office, to give to their brethren by courses, as well to the great as to the small: (2 Chronicles 31:15); Neh. 10:33Pashur, Amariah, Malchijah, (Nehemiah 10:3)). (5) A priest in Ezra’s time (Ezra 10:4242Shallum, Amariah, and Joseph. (Ezra 10:42)). (6) A priest who returned with Zerubbabel (Neh. 10:3; 12:2,133Pashur, Amariah, Malchijah, (Nehemiah 10:3)
2Amariah, Malluch, Hattush, (Nehemiah 12:2)
13Of Ezra, Meshullam; of Amariah, Jehohanan; (Nehemiah 12:13)
). (1) An ancestor of Zephaniah the prophet (Zeph. 1:11The word of the Lord which came unto Zephaniah the son of Cushi, the son of Gedaliah, the son of Amariah, the son of Hizkiah, in the days of Josiah the son of Amon, king of Judah. (Zephaniah 1:1)).

Concise Bible Dictionary:

6. One who had married a strange wife (Ezra 10:4242Shallum, Amariah, and Joseph. (Ezra 10:42)).

Strong’s Dictionary of Hebrew Words:

or prolonged tAmaryahuw {am-ar-yaw'-hoo}; from 559 and 3050; Jah has said (i.e. promised); Amarjah, the name of nine Israelites
KJV Usage:

Jackson’s Dictionary of Scripture Proper Names:

the saying of Jehovah

Potts’ Bible Proper Names:

God has promised:-name of nine Israelites, Ezra 7:3. {Promisit Deus}