Save Type Surname (from nickname) Usage Filipino Pronounced Pron. /xɔ.ˈhwɐŋ.ko/(Tagalog) [key·simplify] Meaning & History From Hokkien 許寰哥 (Khó͘ Hoân-ko), which was the nickname of Co Yu Hwan (許玉寰), a Chinese migrant who arrived in the Philippines in the 19th century. This is the name of a prominent political and business family in the Philippines.