 It has been recorded that Fray Martin de Rada with Fray Diego Vivar Ordóñez from Calumpit who first poselytised in Bulakan, Malolos, and Hagonoy.On June 11, 1580 Malolos was separated as convent and Hagonoy on April 22, 1581.In 1619, Paombong was ceded from its original matrix which annexed in Calumpit, but in 1664 it was returned to Malolos again.