| # | Image | Member | Term of office | Legislature | Party | Electoral history | Constituent LGUs |
|---|
| Start | End |
|---|
Bulacan's 1st district for the Philippine Assembly |
| District created January 9, [7][8] |
| 1 | | Aguedo Velarde | October 16, | October 16, | 1st | Nacionalista | Elected in | – Bulacan, Calumpit, Hagonoy, Malolos, Paombong, Quingua |
| 2 | Hermogenes Reyes | October 16, | October 16, | 2nd | Nacionalista | Elected in | – Bulacan, Calumpit, Hagonoy, Malolos, Paombong, Pulilan, Quingua |
| (1) | | Aguedo Velarde | October 16, | December 22, | 3rd | Nacionalista | Elected in Died.Teodulo natividad biography of michael Teodulo Natividad was a Filipino lawyer and politician. He represented the first district of Bulacan at the House of Representatives of the Philippines. The Philippine Officials Review (p. ) Official Directory of the Constitutional Commission Marriage certificate with Virginia Pacho. | – Bigaa, Bulacan, Calumpit, Hagonoy, Malolos, Paombong, Pulilan, Quingua |
| 3 | Ambrosio Santos | May 15, | October 16, | Nacionalista | Elected in to finish Velarde's term. |
Bulacan's 1st district for the House of Representatives of the Philippine Islands |
| 4 | Mariano Escueta | October 16, | June 3, | 4th | Liga Popular | Elected in | – Bigaa, Bulacan, Calumpit, Guiguinto, Hagonoy, Malolos, Paombong, Pulilan, Quingua |
| 5 | | José Padilla | June 3, | June 5, | 5th | Demócrata | Elected in | – Bigaa, Bulacan, Bustos, Calumpit, Guiguinto, Hagonoy, Malolos, Paombong, Pulilan, Quingua |
| 6th | Re-elected in |
| 7th | Re-elected in |
| 6 | Ángelo Suntay | June 5, | June 2, | 8th | Demócrata | Elected in |
| 7 | | Francisco Afan Delgado | June 2, | September 16, | 9th | Nacionalista Consolidado | Elected in |
| 10th | Nacionalista Democrático | Re-elected in |
| # | Image | Member | Term of office | National Assembly | Party | Electoral history | Constituent LGUs |
|---|
| Start | End |
|---|
Bulacan's 1st district for the National Assembly (Commonwealth of the Philippines) |
| 8 | | Nicolas Buendia | September 16, | December 30, | 1st | Nacionalista Democrático | Elected in | – Bigaa, Bulacan, Bustos, Calumpit, Guiguinto, Hagonoy, Malolos, Paombong, Pulilan, Quingua |
| 2nd | Nacionalista | Re-elected in | – Bigaa, Bulacan, Bustos, Calumpit, Guiguinto, Hagonoy, Malolos, Paombong, Plaridel, Pulilan |
| District dissolved into the two-seat Bulacan's at-large district for the National Assembly (Second Philippine Republic).
|
| # | Image | Member | Term of office | Common wealth Congress | Party | Electoral history | Constituent LGUs |
|---|
| Start | End |
|---|
Bulacan's 1st district for the House of Representatives of the Commonwealth of the Philippines |
| District re-created May 24, |
| 9 | León Valencia | – | – | 1st | Nacionalista | Elected in Died before start of term.
| – Bigaa, Bulacan, Bustos, Calumpit, Guiguinto, Hagonoy, Malolos, Paombong, Plaridel, Pulilan |
| # | Image | Member | Term of office | Congress | Party | Electoral history | Constituent LGUs |
|---|
| Start | End |
|---|
Bulacan's 1st district for the House of Representatives of the Philippines |
| 10 | Jesús B.
Lava | – | – | 1st | Democratic Alliance | Elected in Did not serve term due to electoral protest. | – Bigaa, Bulacan, Bustos, Calumpit, Guiguinto, Hagonoy, Malolos, Paombong, Plaridel, Pulilan |
| 11 | | Florante C.
Roque | May 25, | May 4, | Liberal | Declared winner of elections. |
| 2nd | Re-elected in Removed from office after electoral protest. |
| 12 | Erasmo R. Cruz | May 4, | December 30, | Nacionalista | Declared winner of elections.Teodulo natividad biography of michael jackson Teodulo C. Natividad was a representative in the 6th Congress of the Philippines from to He was a representative of the Regular Batasang Pambansa from to |
| 3rd | Re-elected in |
| 13 | José C. Suntay Jr. | December 30, | December 30, | 4th | Liberal | Elected in |
| 14 | Teodulo C. Natividad | December 30, | September 23, | 5th | Nacionalista | Elected in |
| 6th | Re-elected in |
| 7th | Re-elected in Removed from office after imposition of martial law.
| – Balagtas, Bulacan, Bustos, Calumpit, Guiguinto, Hagonoy, Malolos, Paombong, Plaridel, Pulilan |
| District dissolved into the sixteen-seat Region III's at-large district for the Interim Batasang Pambansa, followed by the four-seat Bulacan's at-large district for the Regular Batasang Pambansa.
|
| District re-created February 2, |
| 15 | Francisco B. Aniag Jr. | June 30, | June 30, | 8th | Lakas ng Bansa | Elected in | – Bulacan, Calumpit, Hagonoy, Malolos, Paombong, Pulilan |
| (14) | Teodulo C.
Natividad | June 30, | June 30, | 9th | LDP | Elected in |
| 10th | LAMMP | Re-elected in |
| 16 | | Wilhelmino Sy-Alvarado | June 30, | June 30, | 11th | LAMMP | Elected in |
| 12th | Lakas | Re-elected in |
| 13th | Re-elected in |
| 17 | | Victoria Sy-Alvarado | June 30, | June 30, | 14th | Lakas | Elected in | – Bulakan, Calumpit, Hagonoy, Malolos, Paombong, Pulilan |
| 15th | Lakas | Re-elected in Election deferred as Malolos's at-large district was deemed unconstitutional. | Bulakan, Calumpit, Hagonoy, Paombong, Pulilan |
| — | N/A | vacant | June 30, | November 15, | – | –present Bulakan, Calumpit, Hagonoy, Malolos, Paombong, Pulilan |
| (17) | | Victoria Sy-Alvarado | November 15, | June 30, | Lakas | Re-elected in special election.
|
| 16th | NUP | Re-elected in |
| 18 | | Jose Antonio Sy-Alvarado | June 30, | June 30, | 17th | Liberal | Elected in |
| 18th | NUP | Re-elected in |
| PDP–Laban |
| 19 | | Danilo A.
Domingo | June 30, | Incumbent | 19th | NUP | Elected in |