Family Name: The surname 司 originates from ancient Chinese official titles. One branch of the Si clan traces back to the official title 'Si Cheng' in the State of Zheng during the Spring and Autumn period. Another branch descends from Sima Qian, the famous historian of the Han Dynasty, whose descendants changed their surname to 司 to avoid persecution.
Given Name: Hao signifies vastness and grandeur, while Da represents success and understanding, symbolizing a broad mind and prosperous career.