The name Dolphus gained popular usage during the Middle Aages in Europe, where it was influenced by the Greek and Roman mythology's view of the dolphin as a symbol of good fortune and protection, especially at sea. This association carried over into the Christian tradition, where the dolphin became a Christian symbol of divinity and God's protection over believers.
In the spiritual context, the name Dolphus can be seen as a reminder of God's protection and guidance in times of turbulence or danger, just as a dolphin guides a ship through rough waters. It can also be seen as a symbol of the resurrection, as the dolphin was believed to have the power to revive drowning sailors and return them to the surface. Overall, the name Dolphus carries a sense of hope, protection, and Divine guidance.