Which preposition to use with mclaughlin

on Occurrences 1%

" There is no more looking up at Saint Cow's steeple with a MCLAUGHLIN on it now.

to Occurrences 1%

"But what is this, Judge SWEENEY, respecting your introduction of MCLAUGHLIN to Mr. BUMSTEAD, which I have heard about?" "Why, your Reverence, I consider JOHN MCLAUGHLIN a Character," responds the Judge, "and thought our young friend of the organ-loft might like to study him.

Which preposition to use with  mclaughlin