Civil Service Oath

6 August 1861 [nb: later used as an amnesty oath for paroled Civil War Confederates]

I do solemnly swear (or affirm, as the case may be) that I will support, protect, and defend the constitution and government of the United States against all enemies, whether domestic or foreign, and that I will bear true faith, allegiance, and loyalty to the same, any ordinance, resolution, or law of any state convention or legislature to the contrary notwithstanding; and further, that I do wits with a full determination, pledge, and purpose, without any mental reservation or evasion whatsoever; and further, that I will well and faithfully perform all the duties which may be required of me by law, so help me God.

Ironclad Test Oath of Loyalty

[as prerequisite for employment in the United States government, 2 July 1862; extended to include attorneys-at-law practicing in federal courts, 24 Jan 1865; reconfirmed as a test oath for persons in government service by the Reconstruction Act of 1867; deemed unconstitutionally ex post facto by the Supreme Court in 1867; bill amended this oath on 11 July 1868 for administering to members of Congress and to military officers]

I, [___ (name) ___], do solemnly swear or affirm [that I have never voluntarily borne arms against the United States since I have been a citizen thereof; that I have voluntarily given no aid, countenance, counsel, or encouragement to persons engaged in armed hostility thereto; that I've neither sought nor accepted nor attempted to exercise the functions of any office whatever, under any authority or pretended authority in hostility to the United States; that I've not yielded a voluntary support to any pretended government, authority, power, or constitution within the United States, hostile or inimical thereto; and I do further swear or affirm that to the best of my knowledge and ability] I will support and defend the constitution of the United States against all enemies, foreign and domestic; that I will bear true faith and allegiance to the same; that I take this obligation freely, without any mental reservation or purpose of evasion; and that I will well and faithfully discharge the duties of the office on which I'm about to enter, so help me God.