Potentially found in a death record. Hard to tell because there is no birth/death dates for the parents associated with the record, no middle name, and his wife's name is similar but not exact.
["México, Tamaulipas, Registro Civil, 1800-2002", database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:QGMT-XLLQ : 18 February 2021), Simona Gonzalez in entry for Enrique Romero Gonzalez, 1957.]
Further research into records from Mexico, Tamaulipas region did not yield any additional sources that would support the death record of baby Enrique referring to Romero-21 and Gomzalez-1.
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