Iloilo's 4th congressional district

Iloilo's 4th congressional district is one of the five congressional districts of the Philippines in the province of Iloilo. It has been represented in the House of Representatives of the Philippines since 1916 and earlier in the Philippine Assembly from 1907 to 1916. The district consists of the city of Passi and adjacent municipalities of Anilao, Banate, Barotac Nuevo, Dingle, Dueñas, Dumangas and San Enrique. It is currently represented in the 19th Congress by Ferjenel G. Biron of the Nacionalista Party (NP).

Representation history
{| class=wikitable ! rowspan="2" | # ! rowspan="2" colspan=2 | Member ! colspan=2 | Term of office ! rowspan="2" | Legislature ! rowspan="2" | Party ! rowspan="2" | Electoral history ! rowspan="2" | Constituent LGUs !Start!!End
 * colspan="9" style="text-align:center;" |
 * colspan="9" style="text-align:center;" |

Iloilo's 4th district for the Philippine Assembly

 * colspan="9" style="text-align:center;" | District created January 9, 1907.
 * style="text-align:center;" | 1
 * style="color:inherit;background:;" |
 * Adriano Hernández y Dayot
 * October 16, 1907
 * October 16, 1909
 * style="text-align:center;" | 1st
 * Nacionalista
 * Elected in 1907.
 * style="text-align:center;" | 1907–1909 Barotac Nuevo (Dumangas), Janiuay (Lambunao), Pototan (Dingle, Mina)
 * style="text-align:center;" | 2
 * style="color:inherit;background:;" |
 * Espiridión Guanco
 * October 16, 1909
 * October 16, 1912
 * style="text-align:center;" | 2nd
 * Nacionalista
 * Elected in 1909.
 * style="text-align:center;" | 1909–1912 Barotac Nuevo (Dumangas), Dingle, Janiuay (Lambunao), Pototan (Mina)
 * style="text-align:center;" | 3
 * style="color:inherit;background:;" |
 * Amando Avanceña
 * October 16, 1912
 * June 30, 1914
 * rowspan="2" style="text-align:center;" | 3rd
 * Nacionalista
 * Elected in 1912. Resigned on election as Iloilo governor.
 * rowspan="2" style="text-align:center;" | 1912–1916 Barotac Nuevo, Dingle, Dumangas, Janiuay, Lambunao, Pototan (Mina)
 * style="text-align:center;" | 4
 * style="color:inherit;background:;" |
 * Tiburcio Lutero
 * August 28, 1914
 * October 16, 1916
 * Progresista
 * Elected to finish Avanceña's term.
 * colspan="9" style="text-align:center;" |
 * August 28, 1914
 * October 16, 1916
 * Progresista
 * Elected to finish Avanceña's term.
 * colspan="9" style="text-align:center;" |
 * colspan="9" style="text-align:center;" |

Iloilo's 4th district for the House of Representatives of the Philippine Islands
! rowspan="2" | # ! rowspan="2" colspan=2 | Member ! colspan=2 | Term of office ! rowspan="2" | National Assembly ! rowspan="2" | Party ! rowspan="2" | Electoral history ! rowspan="2" | Constituent LGUs !Start!!End
 * style="text-align:center;" | (4)
 * style="color:inherit;background:;" |
 * Tiburcio Lutero
 * October 16, 1916
 * June 3, 1919
 * style="text-align:center;" | 4th
 * Progresista
 * Re-elected in 1916.
 * rowspan="2" style="text-align:center;" | 1916–1922 Barotac Nuevo, Dingle, Dumangas, Janiuay, Lambunao, Pototan (Mina)
 * style="text-align:center;" | 5
 * style="color:inherit;background:;" |
 * Daniel Evangelista
 * June 3, 1919
 * June 6, 1922
 * style="text-align:center;" | 5th
 * Nacionalista
 * Elected in 1919.
 * style="text-align:center;" | 6
 * style="background-color:#191970|
 * Federico R. Tirador
 * June 6, 1922
 * June 2, 1925
 * style="text-align:center;" | 6th
 * Nacionalista Colectivista
 * Elected in 1922.
 * rowspan="5" style="text-align:center;" | 1922–1935 Barotac Nuevo, Calinog, Dingle, Dumangas, Lambunao, Pototan (Mina)
 * style="text-align:center;" | 7
 * style="color:inherit;background:;" |
 * Asención Arancillo
 * June 2, 1925
 * June 5, 1928
 * style="text-align:center;" | 7th
 * Nacionalista Consolidado
 * Elected in 1925.
 * rowspan="2" style="text-align:center;" | 8
 * rowspan="2" style="color:inherit;background:;" |
 * rowspan="2" | Tomás Buenaflor
 * rowspan="2" | June 5, 1928
 * rowspan="2" | June 5, 1934
 * style="text-align:center;" | 8th
 * rowspan="2" | Nacionalista Consolidado
 * Elected in 1928.
 * style="text-align:center;" | 9th
 * Re-elected in 1931.
 * style="text-align:center;" | (6)
 * style="color:inherit;background:;" |
 * Federico R. Tirador
 * June 5, 1934
 * September 16, 1935
 * style="text-align:center;" | 10th
 * Nacionalista Demócrata Pro-Independencia
 * Elected in 1934.
 * style="color:inherit;background:;" |
 * Federico R. Tirador
 * June 5, 1934
 * September 16, 1935
 * style="text-align:center;" | 10th
 * Nacionalista Demócrata Pro-Independencia
 * Elected in 1934.
 * colspan="9" style="text-align:center;" |
 * colspan="9" style="text-align:center;" |

Iloilo's 4th district for the National Assembly (Commonwealth of the Philippines)
! rowspan="2" | # ! rowspan="2" colspan=2 | Member ! colspan=2 | Term of office ! rowspan="2" | Common wealth Congress ! rowspan="2" | Party ! rowspan="2" | Electoral history ! rowspan="2" | Constituent LGUs !Start!!End
 * rowspan="2" style="text-align:center;" | (8)
 * style="color:inherit;background:;" |
 * rowspan="2" | Tomás Buenaflor
 * rowspan="2" | September 16, 1935
 * rowspan="2" | December 30, 1941
 * style="text-align:center;" | 1st
 * Nacionalista Democrático
 * Elected in 1935.
 * rowspan="2" style="text-align:center;" | 1935–1941 Barotac Nuevo, Calinog, Dingle, Dumangas, Lambunao, Pototan (Mina)
 * style="color:inherit;background:;" |
 * style="text-align:center;" | 2nd
 * Nacionalista
 * Re-elected in 1938.
 * colspan="9" style="text-align:center;" | District dissolved into the two-seat Iloilo's at-large district and the two-seat Iloilo City's at-large district for the National Assembly (Second Philippine Republic).
 * Re-elected in 1938.
 * colspan="9" style="text-align:center;" | District dissolved into the two-seat Iloilo's at-large district and the two-seat Iloilo City's at-large district for the National Assembly (Second Philippine Republic).
 * colspan="9" style="text-align:center;" | District dissolved into the two-seat Iloilo's at-large district and the two-seat Iloilo City's at-large district for the National Assembly (Second Philippine Republic).
 * colspan="9" style="text-align:center;" |
 * colspan="9" style="text-align:center;" |

Iloilo's 4th district for the House of Representatives of the Commonwealth of the Philippines
! rowspan="2" | # ! rowspan="2" colspan=2 | Member ! colspan=2 | Term of office ! rowspan="2" | Congress ! rowspan="2" | Party ! rowspan="2" | Electoral history ! rowspan="2" | Constituent LGUs !Start!!End
 * colspan="9" style="text-align:center;" | District re-created May 24, 1945.
 * style="text-align:center;" | 9
 * style="color:inherit;background:;" |
 * Ceferino de los Santos
 * June 9, 1945
 * May 25, 1946
 * style="text-align:center;" | 1st
 * Nacionalista
 * Elected in 1941.
 * style="text-align:center;" | 1945–1946 Barotac Nuevo, Calinog, Dingle, Dumangas, Lambunao, Pototan (Mina)
 * Elected in 1941.
 * style="text-align:center;" | 1945–1946 Barotac Nuevo, Calinog, Dingle, Dumangas, Lambunao, Pototan (Mina)
 * colspan="9" style="text-align:center;" |
 * colspan="9" style="text-align:center;" |

Iloilo's 4th district for the House of Representatives of the Philippines

 * style="text-align:center;" | 10
 * style="color:inherit;background:;" |
 * Mariano B. Peñaflorida
 * May 25, 1946
 * November 11, 1947
 * rowspan="2" style="text-align:center;" | 1st
 * Nacionalista
 * Elected in 1946. Resigned on election as Iloilo governor.
 * rowspan="7" style="text-align:center;" | 1946–1969 Barotac Nuevo, Calinog, Dingle, Dumangas, Lambunao, Pototan (Mina)
 * style="text-align:center;" | 11
 * style="color:inherit;background:;" |
 * Gaudencio Demaisip
 * March 23, 1948
 * December 30, 1949
 * Nacionalista
 * Elected to finish Peñaflorida's term.
 * rowspan="5" style="text-align:center;" | 12
 * style="color:inherit;background:;" |
 * rowspan="5" | Ricardo Yap Ladrido
 * rowspan="5" | December 30, 1949
 * rowspan="5" | December 30, 1969
 * style="text-align:center;" | 2nd
 * Nacionalista
 * Elected in 1949.
 * style="color:inherit;background:;" |
 * style="text-align:center;" | 3rd
 * Democratic
 * Re-elected in 1953.
 * rowspan="3" style="color:inherit;background:;" |
 * style="text-align:center;" | 4th
 * rowspan="3" | Nacionalista
 * Re-elected in 1957.
 * style="text-align:center;" | 5th
 * Re-elected in 1961.
 * style="text-align:center;" | 6th
 * Re-elected in 1965.
 * style="text-align:center;" | (10)
 * style="color:inherit;background:;" |
 * Mariano B. Peñaflorida
 * December 30, 1969
 * September 23, 1972
 * style="text-align:center;" | 7th
 * Nacionalista
 * Elected in 1969. Removed from office after imposition of martial law.
 * style="text-align:center;" | 1969–1972 Barotac Nuevo, Bingawan, Calinog, Dingle, Dumangas, Lambunao, Mina, Pototan
 * colspan="9" style="text-align:center;" | District dissolved into the sixteen-seat Region VI's at-large district for the Interim Batasang Pambansa, followed by the five-seat Iloilo's at-large district for the Regular Batasang Pambansa.
 * colspan="9" style="text-align:center;" | District re-created February 2, 1987.
 * style="text-align:center;" | 13
 * style="color:inherit;background:;" |
 * Narciso D. Monfort
 * June 30, 1987
 * June 30, 1992
 * style="text-align:center;" | 8th
 * KBL
 * Elected in 1987.
 * rowspan="12" style="text-align:center;" | 1987–present Anilao, Banate, Barotac Nuevo, Dingle, Dueñas, Dumangas, Passi, San Enrique
 * style="text-align:center;" | 14
 * style="color:inherit;background:;" |
 * Nicetas P. Panes
 * June 30, 1992
 * June 30, 1995
 * style="text-align:center;" | 9th
 * LDP
 * Elected in 1992.
 * rowspan="3" style="text-align:center;" | (13)
 * rowspan="3" style="color:inherit;background:;" |
 * rowspan="3" | Narciso D. Monfort
 * rowspan="3" | June 30, 1995
 * rowspan="3" | June 30, 2004
 * style="text-align:center;" | 10th
 * rowspan="3" | Lakas
 * Elected in 1995.
 * style="text-align:center;" | 11th
 * Re-elected in 1998.
 * style="text-align:center;" | 12th
 * Re-elected in 2001.
 * rowspan="3" style="text-align:center;" | 15
 * style="color:inherit;background:;" |
 * rowspan="3" | Ferjenel Biron
 * rowspan="3" | June 30, 2004
 * rowspan="3" | June 30, 2013
 * style="text-align:center;" | 13th
 * KAMPI
 * Elected in 2004.
 * style="color:inherit;background:;" |
 * style="text-align:center;" | 14th
 * Nacionalista
 * Re-elected in 2007.
 * style="color:inherit;background:;" |
 * style="text-align:center;" | 15th
 * UNA
 * Re-elected in 2010.
 * style="text-align:center;" | 16
 * style="color:inherit;background:;" |
 * Hernan G. Biron Jr.
 * June 30, 2013
 * June 30, 2016
 * style="text-align:center;" | 16th
 * UNA
 * Elected in 2013.
 * style="text-align:center;" | (15)
 * style="color:inherit;background:;" |
 * Ferjenel Biron
 * June 30, 2016
 * June 30, 2019
 * style="text-align:center;" | 17th
 * Nacionalista
 * Elected in 2016.
 * style="text-align:center;" | 17
 * style="color:inherit;background:;" |
 * Braeden John Q. Biron
 * June 30, 2019
 * June 30, 2022
 * style="text-align:center;" | 18th
 * Nacionalista
 * Elected in 2019.
 * style="text-align:center;" | (15)
 * style="color:inherit;background:;" |
 * Ferjenel Biron
 * June 30, 2022
 * Incumbent
 * style="text-align:center;" | 19th
 * Nacionalista
 * Elected in 2022.
 * }
 * style="text-align:center;" | 17th
 * Nacionalista
 * Elected in 2016.
 * style="text-align:center;" | 17
 * style="color:inherit;background:;" |
 * Braeden John Q. Biron
 * June 30, 2019
 * June 30, 2022
 * style="text-align:center;" | 18th
 * Nacionalista
 * Elected in 2019.
 * style="text-align:center;" | (15)
 * style="color:inherit;background:;" |
 * Ferjenel Biron
 * June 30, 2022
 * Incumbent
 * style="text-align:center;" | 19th
 * Nacionalista
 * Elected in 2022.
 * }
 * Elected in 2022.
 * }