Shanning might be a variation of Channing (which is English and means "knowing"). It also could be Irish (since it's similar to Shannon and Shanahan). From search results, Jarrick looks like it's a German surname. As a first name, it could be a mixture of Derek (or Derrick) and Jared combined or a variation of the Polish name Jarek, which means "born in January". The last name Jarrick might also be a German variation of Jarek. I'm really not sure about that though.