Nearly half of white Southerners refused to vote for a Catholic president.

Evidence

As noted in Section 6, Catholics (almost all of whom lived outside the South) reacted to JFK’s administration with unprecedented support, whereas nearly half of white Southerners told Gallup they would never vote for a Catholic. As such, the small coefficient on South × After is likely an artifact of our single pre-period year being 1962 (the middle of JFK’s administration). — Ilyana Kuziemko and Ebonya Washington, Why Did the Democrats Lose the South?…, 1326

Categorization

• XREF: Evidence on the 1960s religious cleavage — an identity-axis realignment parallel to race, relevant to the reader’s threat-privilege replication across identity axes.