Hey Isaac,
Sorry you has some "whoops removals"! - we have experienced the same before and it's not good news.
"Atlassian's approach to resilience"
Under Recoverability:
"However, these backups are not used to revert customer-initiated destructive changes, such as fields overwritten using scripts, or deleted issues, projects, or sites. To avoid data loss, we recommend that you take regular backups. Learn more about creating backups in our documentation"
So the quick answer is no, you'll need to manually create those records again.
Not sure how many users you're licensed for but have a look at this, I would highly suggest you install/purchase (if above 10 users) this app from marketplace.
Insight Backup
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