Immigration is another reason for a name change.

Khó͘-hoân-ko (許寰哥) (?-1865)

The progenitor of this prominent Filipino family originated in Hongjian Village in Fujian, China. He was of Hokkien Chinese descent and traveled to the Phillippines in 1861.

Jose Cojuanco (1865-death)

Jose: (Spanish) his baptismal name
Cojuanco: (Spanish) a transliteration of his original Chinese name

After settling in Bulacan, he changed his name upon converting to Christianity.

His descendants would occupy important positions in Filipino society, such as acting, politics, business, and even the presidency.

Sources