Born Olivia Jennifer Morrigan, her father suffered from PTSD in the 1st Gulf War, and upon return, found his wife to have born a bizarre-looking mutant. 1991 was still a time when mutants (like Anne, Beth, Kate, and etc.) were extremely rare with the first media-recognized births in the mid-1980s--the causes were still completely unknown (they still are to some degree in the 2010s, although its more predictable with the genome cracked.) Unable to cope, 2nd Lt. Rich Shoyo-Harris (half Eastern Shoshone, making her a fourth Native American, and the rest Anglo-Irish-ish) vanished--leaving Olivia to be raised by her now-destitute mother, Joanne Morrigan.
Lt. Rich Shoyo-Harris is third from the left waaaay in the back... or so says his ex-wife.
Fortunately her grandfather, Ted Morrigan II, was still alive, and once of the larger ranchers around Riverton and Lander (he lost his fortune in the Savings and Loans Crisis in the late 19