Alonzo Church was born on June 14, 1903, in Washington, D.C., where his father, Samuel Robbins Church, was the judge of the Municipal Court for the District of Columbia.
Alonzo Church s-a născut în 14 iunie 1903, la Washington, D.C., unde tatăl său, Samuel Robbins Church, era judecător la Tribunalul Municipal pentru Districtul Columbia.