I am sure you have seen this by now, but if you copy and past the following website you will find Louisa's death notice:
http://www.newspaperarchive.com/SiteMap/FreePdfPreview.aspx?...

I found this while looking for information regarding Maria Therese Burrus, daughter of John Burrus and Lizetta Claude. Maria married (and divorced) Henry Lohmar my g.g grandfather's (John William Lohmar)brother.