Piplup_Sniper posted...
No. The Pokdex is very selective in their wording and often includes terms like reborn, rebirth or reincarnation.
The spirit of a person from a bygone age
became
this Pokmon. It rambles through ruins, searching for someone who knows its face.
https://gamefaqs.gamespot.com/a/forum/e/eed3c871.jpghttps://gamefaqs.gamespot.com/a/forum/3/3ceff47c.jpg
https://gamefaqs.gamespot.com/a/forum/b/ba14ae51.jpg
What this means is that spirits can become new living species again capable of reproducing, needing food and they can die again.
Also
https://gamefaqs.gamespot.com/a/forum/3/3ceff47c.jpg