It's very uncommon to name a celestial body after people. Only prominent scientists who have passed away are given that honour.
Stars in named constellations and visible to the naked eye are given a letter of the Greek alphabet according to their position in the constellation. The brightest star in Cygnus is Alpha Cygni; the next is Beta Cygni, etc.
With the reported 2 trillion galaxies, the IAU has settled on giving every star a number.