>>/162562/
1. They probably didn't publish the obituary to prevent weirdos from visiting the site. 
2. You can make out the name beside it - Philip L----- something. 
3. It's probably the Horan family site, and they just went there for the ceremony. 

Her final resting spot is an urn at her parents house according to her sister. Some urns are interned in plots, but Ciara wasn't. 

The grave marker may include her name though, so it's symbolically her resting spot.