Mexican peso
- Dates in use
- Still in use; introduction date not established here
- Currency code
- MXN
- Ancestry branch
- Spanish real / peso
Its place in the family
All ancestors and descendants ↗The diagram shows up to three parents and three children. Every direct connection is listed below.
Mexican peso
This currencyTrace its ancestry backward
Mexican peso
Spanish real / peso de a ocho
Castilian maravedí / real de vellón accounting
Earlier ancestry is not established here.
1 later contribution joined this currency. See those connections →
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 January 1, 1993; dropping “new” in 1996 did not repeat the conversion. [3]
Turning points
Redenominated as
1993 scale change. [3]
Sources and evidence
- Banco de México · History of Mexican Currency
- Banco de México · History of Mexican Currency
- Banco de México, archive blog · A 30 años de la introducción del nuevo peso
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. Updated 2026-10-13; data version v44. https://familytreeofmoney.org/currency/T-FTM000478.html