Mo. Rev. Stat. § 527.290: Notice of change to be given, when and how — not required, when.

1. Public notice of such a change of name shall be given at least three times in a newspaper published in the county where such person is residing, within twenty days after the order of court is made, and if no newspaper is published in the person's or any adjacent county, then such notice shall be given in a newspaper published in the City of St. Louis, or at the seat of government.

2. Public notice of such name change through publication as required in subsection 1 of this section shall not be required, and any system operated by the judiciary that is designed to provide public case information electronically shall not post the name change, if the petitioner is:

(1) The victim of a crime, the underlying factual basis of which is found by the court on the record to include an act of domestic violence, as defined in section 455.010;

(2) The victim of child abuse, as defined in section 210.110; or

(3) The victim of domestic violence by a family or household member, as defined in section 455.010.