Likewise i also find these examples of US State Consititutions disturbing.
Arkansas
"No person who denies the being of a God shall hold any office in the civil departments of this State, nor be competent to testify as a witness in any court."
article 19, sect. 1 of the 1874 constitution
North Carolina
"The following persons shall be disqualified for office: First, any person who shall deny the being of Almighty God...." Constitution Article 6 Section 8
Pennsylvania
"No person who acknowledges the being of God and a future state of rewards and punishments shall, on account of his religious sentiments, be disqualified to hold any office or place of trust or profit under this Commonwealth".
Declaration of Rights Article 1 Section 4
Tennessee
"No person who denies the being of God, or a future state of rewards and punishments, shall hold any office in the civil department of this state."
Bill of Rights: Article 9 Section 4
And such provisions exist in about 5 other states.