Death threats had been printed on flyers circulating in the desert area, he added.
Two armed men riding a motorcycle opened fire on a Coptic-owned shop in Rafah on Wednesday but no one was injured.
Two families from the small community had already left while the rest were still packing up their possessions in Rafah and Shaikh Zuwaid after living 20 years in the area, he added.
All were planning to move to al-Arish, the administrative center of North Sinai, where security was better, the priest said.
Islamists with possible links to al Qaeda have gained a foothold in the area, analysts say.
Israel has voiced concern about security in Sinai, where at least four cross-border attacks have taken place since Mubarak was toppled in February 2011.
Egypt’s new president, Mohamed Mursi, has vowed to restore order. But efforts to impose central authority are complicated by the indigenous Bedouin population’s ingrained hostility to the government in Cairo.
A local official, who asked not to be named, confirmed the departures and said the families planned to return when security improved. It was the second wave of Christian departures – another seven families left soon after Mubarak’s fall.
Reuters, September 28, 2012