After much acrimonious debate and upon the suggestion of Trinidad H Pardo de Tavera the body agreed on the creation of a new province independent of the Province of Manila.
On June 11, 1901, the province of Rizal was officially and legally created by virtue of an Act No. 137 by the First Philippine Commission which during the time was acting as the unicameral legislative body in the island of Luzon.
Province of Manila (Caloocan, Las Piñas, Mariquina (Marikina), Montalban (Rodriguez), Muntinlupa, Navotas, Novaliches, Parañaque, Pasig, Pateros, Pineda (Pasay), San Felipe Neri (Mandaluyong), San Juan del Monte (San Juan), San Mateo, San Pedro Macati (Makati), Taguig, Tambobong (Malabon)); and 12 from the Politico-Militar District of Morong, (Angono, Baras, Binangonan, Cainta, Antipolo, Cardona, Jalajala, Morong, Pililla, Tanay, Taytay and Teresa). The City of Manila from the old Province of Manila was treated as a separate entity. The seat of the provincial government was Pasig.
In year 1939, Quezon City was established, which included parts of Caloocan, and later on, Novaliches and parts of Marikina and San Juan towns.
