Joseph P. Kennedy, Sr.
Between 1845 and 1850 McKay built five large packet ships for Enoch Train's White Diamond line: "Washington Irving", "Anglo Saxon", "Anglo American", "Daniel Webster", and "Ocean Monarch". The "Ocean Monarch" was lost to fire on August 28, 1848, soon after leaving Liverpool and within sight of Wales; over 170 of the passengers and crew perished. The "Washington Irving" carried Patrick Kennedy, grandfather of Kennedy family patriarch Joseph P. Kennedy, Sr., to Boston in 1849.