My gg-grandmother was a Pacelli and lived in Wilmington, Delaware. Her name I am told was Mary Josephine. She married Joseph Branca and had: Joseph, Charles, Frederick(my great-grandfather b. 1882), Anthony, and Mary. I do not know when she arrived in the US, or if she was already married when she arrived. I am still working on my great-grandfather and where he was born and why he changed his last name from Branca to Brank. The earliest I can find him is 1903 in New Haven, CT directories. If my Pacelli sounds familiar, let me know!