Finally, for my convenience and yours, a reference sheet for the lady herself, courier six, Agnes Sands!
You can read her story in the comic series It Keeps Right On a-Hurtin’ which is hosted on its dedicated sideblog, @ikroah. For more Agnes content, check out:
My AO3, which hosts one-shot fics about Agnes Sands and a mirror of IKROAH.
The Agnes Sands Companion Wheel and Questline, a thoroughly scripted and detailed walkthrough of what Agnes would be like as your companion if she existed as one in Fallout: New Vegas.
Skills Ask Prompt Answers, for more character and backstory information on Agnes.
The Agnes Sands Aesthetic Moodboard.
The Agnes Sands Themed Playlist.