淞:
Songjiang, the name of a river, carries no specific meaning when used in personal names.
鸿: Hongbo, Hongyun. In names, it often conveys the meaning of illustrious prosperity and good fortune at hand.
Meaning: The character '淞' represents clarity and flow, like the Songjiang River, while '鸿' signifies ambition and lofty aspirations, like the flight of a great goose.