I' faith

Give me your answer; i’ faith, do: and so clap hands and a bargain: how say you, lady?

1682, Aphra Behn, Sir Patient Fancy, London: Richard Tonson & Jacob Tonson, Act II, Scene 1, pp. 23-24, […] if you lov’d Hawking, Drinking, and Whoring,—oh Lord, I mean Hunting, i’ faith there be good fellows wou’d keep you company Madam.

I’ faith, friend Blunt, that little harangue of yours has had a better effect, and done more good in five minutes, than all the m—l force of the kingdom could have effected in a week.