from ppl. stem of Latin fāmigerāre, from fāma fame n. + gerĕre to carry
1623 - The English Dictionarie or an Interpreter of Hard English Words, Henry Cockeram;
"Famigerate, to report abroad"
(possible earlier example below)
From: Coryat's Crudities
Reprinted from the Edition of 1611.
Volume III, 1776
To the Duke of Yorke
The Twentieth of May, last past at St. Iames