Hello! My name is Lisa LeJeune McCartney and I am from Lexington, Missouri. My grandfather was Pierre LeJeune. Pierre had a brother, William LeJeune, who was born in 1888. He married a woman named Martha and they had a son names William LeJeune who was born around 1918, so I bet this was the same William LeJeune that is your grandfather. Pierre and William also had 2 other brothers, Yves and Pete. They were born in Mortaix France and came to the United States through Ellis Island. Their parents were Nicholas LeJeune and Marie Peron from Morlaix France. We don't know anything about Nicholas' parents yet, but, we believe Marie's parents were Guilliume Peron and Genevieve Losquin.
I hope this helps you find out more about your family.
God Bless,
Lisa McCartney