At any election held by the people under this Constitution, or in pursuance of any law of this State, or under any ordinance or by-law of any municipal corporation, no person shall be deemed a qualified voter, who has ever been in armed hostility to the United States, or to the lawful authorities thereof, or to the Government of this State; or has ever given aid, comfort, countenance, or support to persons engaged in any such hostility; or has ever, in any manner, adhered to the enemies, foreign or domestic, of the United States, either by contributing to them, or by unlawfully sending within their lines, money, goods, letters or information; or has ever disloyally held communication with such enemies; or has ever advised or aided any person to enter the service of such enemies; or has ever, by act or word, manifested his adherence to the cause of such enemies, or his desire for their triumph over the arms of the United States, or his sympathy with those engaged in exciting or carrying on rebellion against the United States; or has ever, except under overpowering compulsion, submitted to the authority, or been in the service, of the so-called "Confederate States of America"; or has left this State, and gone within the lines of the armies of the so-called "Confederate States of America," with the purpose of adhering to said States or armies; or has ever been a member of, or connected with, any order, society, or organization, inimical to the Government of the United States, or to the Government of this State; or has ever been engaged in guerrilla warfare against loyal inhabitants of the United States, or in that description of marauding commonly known as "bushwhacking;" or has ever knowingly and willingly harbored, aided, or countenanced, any person so engaged; or has ever come into or left this State for the purpose of avoiding enrollment for or draft into the military service of the United States; or has ever, with a view to avoid enrollment in the militia of this State, or to escape the performance of duty therein, or for any other purpose, enrolled himself, or authorized himself to be enrolled, by or before any officer, as disloyal, or as a Southern sympathizer, or in any other terms indicating his disaffection to the Government of the United States in its contest with rebellion, or his sympathy with those engaged in such rebellion; or, having ever voted at any election by the people in this State, or in any other of the United States, or in any of their Territories, or held office in this State, or in any other of the United States, or in any of their Territories, or under the United States, shall thereafter have sought or received, under claim of alienage, the protection of any foreign government, through any consul or other officer thereof, in order to secure exemption from military duty in the militia of this State, or in the army of the United States; nor shall any such person be capable of holding, in this State, any office of honor, trust, or profit, under its authority; or of being an officer, councilman, director, trustee, or other manager of any corporation, public or private, now existing or hereafter established by its authority; or of acting as a professor or teacher in any educational institution, or in any common or other school; or of holding any real estate, or other property, in trust for the use of any church, religious society, or congregation. But the foregoing provisions in relation to acts done against the United States shall not apply to any person not a citizen thereof, who shall have committed such acts, been naturalized, or may hereafter be naturalized, under the laws of the United States, and who has, since such acts, been naturalized, or may hereafter be naturalized, under the laws of the United States; and the oath of loyalty hereinafter prescribed, when taken by such person, shall be considered as taken in such sense.

Article II Section 6

The oath to be taken, as aforesaid, shall be known as the oath of loyalty, and shall be in the following terms:

“I, ______, do solemnly swear, that I am well acquainted with the terms of the third section of the second article of the constitution of the State of Missouri, adopted in the year 1865, …that I have never directly or indirectly done any of the acts in said section specified; that I have always been truly and loyally on the side of the United States against all enemies thereof, foreign and domestic; that I will bear true faith and allegiance to the United States, and will support the constitution and laws therof as the supreme law of the land, and any law or ordinance of any state to the contrary, notwithstanding; that I will do the best of my ability protect and defend the Union of the United States and not allow the same to be broken up and dissolved, or the government theorof to be destroyed or overthrown under any circumstances, if in my power to prevent it; that I will support the constitution of the State of Missouri, and that I make this oath without any mental reservation or evasion, and hold it to be binding on me.”