淞:
Songjiang, the name of a river, carries no specific meaning when used in personal names.
京: The original meaning refers to a high mound of earth built by human hands. The character "京" belongs to the oracle bone script, shaped like a raised hill with a pointed top. Later, it also came to mean the capital city or the seat of government.
Meaning: Song refers to ice crystals formed by condensed water vapor, symbolizing purity and freshness; Jing refers to the capital, symbolizing prosperity and nobility.