There are an estimated 485 people named Sebastain alive worldwide today. That ranks Sebastain at #16505 globally, with the highest concentrations in United States.
In the United States, Sebastain is held by approximately 485 people, ranking #16505 among first names. That works out to roughly 0 per 100,000 Americans (or 1 in 684,330 U.S. residents).
Historically Sebastain is used overwhelmingly as a male name (100.0% male).
Sebastain appears in birth records going back to 1880. Use the chart below to see how its popularity has changed across decades, and the surname section to find common pairings.