As a counterpart of the French intervention, here is what I have collected on the Mexican army.
Mexican army
At start
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1st Inf. Rgt
2nd Inf. Rgt
3rd Inf. Rgt
4th Inf. Rgt
1st Cav. Bde
1st Artillery Bde
2nd Cav. Bde
Morelos de Oaxaca Cazadores Cav. Rgt
Morelia National Guard Rgt.
Tetela National Guard Rgt.
Oaxaca National Guard Rgt.
Rurales Cav. Rgt.
+ General Porfirio Diaz
[color="DarkRed"]Juarez[/color]
May 1862
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5th Inf. Rgt
6th Inf. Rgt
7th Inf. Rgt
Militias ([color="darkred"]Huauchinango, Zacatlan, Libres de Puebla, Tepext, Tlatlauquitpec, Atlixco, Acatlan, Matamoris, Tepeaca, Teziutlan, Texmelucan[/color])
Resguardo Mil. Cav. Rgt.
September 1862
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+ General Juan Alvarez
March 1863
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+ General Marian Escobedo
January 1864
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2nd Artillery Bde
+ General Ramon Corona
1862-1865
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Mexico has full benefit of partisan rules + receives regular influx of replacements.
Thanks for all input you can add