- South Texas Latino Republicans are splitting from President Trump over his executive order ending birthright citizenship.
- The Supreme Court will hear Trump v. Barbara on April 1, 2026, to decide the order’s constitutionality.
- Projections suggest ending birthright citizenship could add 5.4 million people to the unauthorized population by 2075.
(SOUTH TEXAS, USA) — Latino Republicans in South Texas have broken with President Trump over his push to end automatic citizenship for some U.S.-born children, opening a split inside a voting bloc that backed him in 2024 on promises of tougher border security.
That divide has sharpened as the U.S. Supreme Court prepares to hear Trump v. Barbara (No. 25-103) on April 1, 2026, a case testing whether the administration can enforce Executive Order 14160, Trump’s directive on birthright citizenship. The order remains blocked nationwide as of March 31, 2026.
President Trump signed Executive Order 14160 on January 20, 2025, under the title “Protecting the Meaning and Value of American Citizenship.” It directs federal agencies to stop recognizing automatic citizenship for children born on U.S. soil in two circumstances tied to the parents’ immigration status.
Under the order, agencies would deny automatic citizenship when the mother is “unlawfully present” and the father is not a U.S. citizen or lawful permanent resident. It would also apply when the mother’s presence is “lawful but temporary” and the father is not a U.S. citizen or lawful permanent resident.
That policy has collided with politics in South Texas, where many Latino voters supported Trump last year because they favored a “secure border” and “orderly” migration. The current dispute centers less on border crossings than on interior enforcement and the status of children born inside the United States.
By mid-March, resistance had become harder to ignore. South Texas Latino Republicans who had backed Trump’s border platform were objecting to an approach they saw as reaching into families and communities far from the border itself.
Polling cited in March 2026 illustrated the gap. It found that 55% of Hispanic Republicans support maintaining birthright citizenship for children of undocumented immigrants, compared with 18% of white Republicans.
The administration’s immigration agencies had already started preparing for the change before the courts stepped in. USCIS released Implementation Plan IP-2025-0001 on July 25, 2025, laying out prospective enforcement of Executive Order 14160.
That memorandum proposed allowing children of parents with a temporary lawful status to “register to acquire any lawful status that at least one parent possesses.” USCIS modeled that system on existing protocols used for children of foreign diplomats.
Kristi Noem, then the DHS secretary, defended the administration’s direction in a statement on February 24, 2026. “United States Citizenship and Immigration Services (USCIS) is restoring integrity to our nation’s immigration policies. making sure that any form of legal immigration will benefit the U.S. citizen and does not pose harm to our well-being and way of life,” Noem said.
Trump removed Noem as DHS secretary on March 5, 2026 and nominated Senator Markwayne Mullin as her replacement. Her departure came amid congressional hearings over the administration’s interior enforcement tactics.
For now, the order has not taken effect. A nationwide preliminary injunction in Trump v. Barbara has frozen enforcement while the legal fight moves through the Supreme Court.
The case turns on the meaning of the 14th Amendment’s phrase “subject to the jurisdiction thereof.” That language has become the center of the administration’s effort to narrow birthright citizenship, a principle long applied to most children born in the United States.
The potential scale reaches far beyond South Texas. Migration Policy Institute projections say ending birthright citizenship could add 2.7 million by 2045 and 5.4 million by 2075 to the unauthorized population.
More than 250,000 babies born annually in the U.S. could be affected if the order is upheld. Those numbers have helped turn a legal dispute into a broader fight over schools, healthcare access and identity documents.
Legal advocates, including the ACLU and LULAC, argue the order could create a “permanent subclass” of U.S.-born individuals who lack clear citizenship. Their concern is not limited to legal status inside the United States, but also to whether parents’ home countries would recognize some of those children as citizens.
That raises the prospect of statelessness for people born in the United States. Critics of the order say some children could grow up with no settled proof that any country considers them nationals.
Families would also face practical barriers even if longstanding education protections remain in place. Plyler v. Doe still guarantees public education for all children regardless of immigration status, but opponents of the order say fear and verification demands could deter school enrollment and limit access to healthcare and other services.
Those worries are especially resonant in South Texas, where mixed-status families are common and immigration enforcement often touches daily life. In those communities, the question is not only what the federal government can do at the border, but what it may ask of parents, schools and local agencies after a child is born.
Another concern involves documentation itself. If the Supreme Court upholds the order, state-issued birth certificates would no longer serve as prima facie evidence of citizenship for every child born in the country, forcing the creation of new verification systems tied to parental status.
Such a shift would move proof of citizenship away from the birth certificate, long treated as the standard starting point for establishing status. Any replacement process would reach into hospitals, state records offices and later into schools, employers and benefit systems.
That administrative prospect has widened the political risk for Republicans in South Texas. Voters who favored a harder line on unauthorized crossings have shown less support for policies that could recast the status of children born in their own communities.
The split does not erase South Texas support for stronger border measures. It does suggest that support has limits when immigration enforcement moves from the Rio Grande to the interior and from newly arrived migrants to U.S.-born children.
Trump’s order sought to draw that line on his first day back in office. More than a year later, it remains unenforced, contested in court and increasingly tangled in the politics of a region that helped fuel his gains with Latino voters.
The immediate next step comes on April 1, 2026, when the Supreme Court hears arguments in Trump v. Barbara. At stake is not only Executive Order 14160 and the future of birthright citizenship, but whether South Texas Republicans who wanted a tougher border will continue to follow Trump when that fight turns inward.
