hirself vs myself

hirself

pron
  • Sie; an intensive repetition of a gender-neutral subject, often used to indicate exclusiveness of that person as the only satisfier of a predicate. 

  • Hir, themself; gender-neutral third-person singular object of a verb or preposition that also appears as the subject, coordinate with gendered himself and herself. 

myself

pron
  • Personally, for my part; used in apposition to I, sometimes for simple emphasis and sometimes with implicit exclusion of any others performing the activity described. 

  • Me (as the object of a verb or preposition). 

  • In my normal state of body or mind. 

  • Me, as direct or indirect object the speaker as the object of a verb or preposition, when the speaker is also the subject. 

  • my name is... 

How often have the words hirself and myself occurred in a corpus of books? (source: Google Ngram Viewer )