1
general::
Phrase(s): Honest to God.
Go to Honest to goodness. and Honest to God.; Honest to Pete.
McGrawhill's American Idioms And Phrasal Verbs
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general::
Also, honest to goodness or Pete;honest Injun. Truly, really, as in Honest to God, I didn't know it was yours, or Honest to goodness, we had exactly the same experience, or I promise I'll finish in time, honest to Pete, or Honest Injun, I didn't take your wallet. These colloquial assertions date from about 1900, except for honest Injun, dating from the late 1800s and today considered offensive.
American Heritage Idioms