Illinois -
A person commits the offense of disorderly conduct at a funeral or memorial service when he or she: engages, with knowledge of the existence of a funeral site, in any loud singing, playing of music, chanting, whistling, yelling, or noisemaking with, or without, noise amplification including, but not limited to, bullhorns, auto horns, and microphones within 300 feet of any ingress or egress of that funeral site, where the volume of such singing, music, chanting, whistling, yelling, or noisemaking is likely to be audible at and disturbing to the funeral site
Texas -
A person commits an offense if, during the period beginning three hours before the service begins and ending three hours after the service is completed, the person engages in picketing within 1,000 feet of a facility or cemetery being used for a funeral service.
Missouri -
It shall be unlawful for any person to engage in picketing or other protest activities in front of or about any [church, cemetery, or funeral establishment, as defined by section 333.011, RSMo,] location at which a funeral is held, within one hour prior to the commencement of any funeral, and until one hour following the cessation of any funeral. Each day on which a violation occurs shall constitute a separate offense. Violation of this section is a class B misdemeanor, unless committed by a person who has previously pled guilty to or been found guilty of a violation of this section, in which case the violation is a class A misdemeanor