Hi, I've been working on the Guill forum for several years...I found this information a few years ago and didn't know what to do with it or even if these people were connected - now I'm convinced that these McGuills are directly related to my Guills in Prince Edward County Virginia...I just wanted to share the information, maybe you are related too!
"The Goshenhoppen Registers, 1741-1819" by the Genealogical Publishing Co. Inc, Baltimore 1984. The records of Rev John Casper Stoever, Jr (a German Lutheran minister worked in Eastern PA and Northern VA) These records were originally written in Latin.
Father: McGuill, Andreas (Codorus) McGuill, James b. 05 22, bp. 06 20 1735, test. Joseph & Sarah Ogle
Father: Ogle, Joseph (Codorus) Ogle, Mary b. 04 15 1735, bp. 06 20 1735, test. Andrew McGuill & wife Mary
(In 1735 they used the prefix "Mc", but stopped using it after 1737)
Father: Guill, James (Shenandoah, Schuylkill Co) Guill, Thomas b. 09 15 1728, bp. 06 08 1737, test. John Dawbin Guill, James b. 08 1732, bp. 06 08 1737, test. Eliz Dawbin Guill, Mary b. 01 15 1735, bp. 06 08 1737, test. Father Guill, John b. 05 1737, bp. 06 08 1737, test. Father (This same John Guill shows up in the Prince Edward tax lists in 1784 - "John Guill, 47 yo, b.PA")A good McGuill/Guill connection.
One of my direct ancestors marriage bond names him as - "John McGuill and Peggy Wilson, 12 Jan 1795" This is the only instance of the prefix "Mc" after 1737. Another good connection.
Hope this helps - if anyone has any info, I'd be glad to hear it....