Later a hall at the rear was constructed by the Manka Chuanchou Merchant Guild in honor of the Goddess Matsu of the sea, who holds a particular place of affection among the people of Taiwan. The money needed was raised by means of a 5 percent tax imposed on all shipments handled by members of the guild.
所謂泉郊人士，是當時專門與福建泉州方面貿易往來商人的總稱，他們因為需要常常渡海赴大陸，為了祈求航海行程的安全，決議興建媽祖廟，於是大家對自己經營的商品交易一律課以五分之稅，然後集此稅款，興建了後殿的媽祖廟。