← Locate on the map
Currency history

Mexican peso

Mexican peso: a currency still in use.

Dates in use
Still in use; introduction date not established here
Currency code
MXN
Ancestry branch
Spanish real / peso
Follow the connections

Where this money came from

Explore the whole ancestry

3 ancestors · 15 descendants. Follow a name to its history. Select a dated connection for its evidence.

DocumentedQualified
Follow the complete ancestry and descendants

The story

Banxico says the 1823 Republic retained reales and escudos while changing coin designs. [1]

Banxico describes decimal coinage in 1869–1905, with interruptions, and a gold-standard reform in 1905. [2]

Mexico introduced one new peso for 1, 000 old pesos on 1 January 1993; dropping “new” in 1996 did not repeat the conversion. [3]

Turning points

Redenominated as

1993 scale change. [3]

Sources and evidence

  1. Banco de México · History of Mexican Currency C138 ↗
  2. Banco de México · History of Mexican Currency C139 ↗
  3. Banco de México, archive blog · A 30 años de la introducción del nuevo peso C140 ↗

Open the complete research record →

Full claims, evidence coverage, corrections and earlier interpretations are kept separately.

Cite this page

“Mexican peso.” The Family Tree of Money. © Field Technologies, Inc. Reader edition 2026-10-13; research dataset v44. https://familytreeofmoney.org/currency/T-FTM000478.html

Editorial evidence supplement · Download dataset v44

Find a currency