Founding Father John McMillan Wilson passed away in 1874. In the 1886 edition of The Scroll, his biological brother, Archibald Wilson, wrote of the founder.

Archibald ended his telling of Brother Wilson’s life by signing with In Coelo Quies Est. This was the first time the phrase of farewell and godspeed had been used in Phi Delta Theta for a departed brother. It was voted at the 1890 Convention to be the official epitaph for those passing into the Chapter Grand. Today In Coelo Quies Est is translated to in heaven, there is rest.