my vs oh my Lord

my

intj
  • Used to express surprise, shock or amazement. 

det
  • Belonging to me. 

  • Associated with me. 

  • Related to me. 

  • In the possession of me. 

oh my Lord

intj
  • An expression of surprise, astonishment, shock, dismay, supplication, or consternation. 

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