Thirty days’ previous notice of the time when and the place where the jury will assemble shall be given by the board of trustees of the township, if the owner or owners of the real estate are unknown, nonresidents of the county, minors, insane, non compos mentis, or inmates of a prison by publishing the notice in a newspaper published in the county where the real estate is situated. If a newspaper is not published in the county, the notice shall be given in some newspaper published in the nearest county where a newspaper is published. The notice shall be published once each week for 4 successive weeks, shall be signed by the board of trustees or by the township clerk, shall describe the real estate required for the burying ground, and state the time when and place where the jury will assemble and the object for which they will assemble. Notice may be served on the owner personally, or by leaving a copy of the notice at the owner’s last place of residence.