This presentation explores methodologies and resources for tracing African ancestry in colonial Mexico. It highlights the historical context of African presence in Mexico during the Spanish colonial period, emphasizing the transatlantic slave trade and its influence on Mexican society. Learn about biases in colonial documentation, practical tips on identifying African ancestry through common indicators like surnames, racial classifications, and familial connections within archival records. Our African heritage has shaped Mexico’s cultural, social, and genetic landscape. The presentation aims to empower researchers with tools and insights to uncover the often-overlooked stories of African ancestors, preserving a richer understanding of Mexico’s diverse heritage.