Hi Arturo,
I'm replying to you directly and also via the list, just in case this helps anyone else too.
Most of the Mexican records I've come across at Ancestry are indeed duplicates of FamilySearch.org. I know that a lot of what I've seen are "index only" records. I'm not sure if I recall seeing any that include the original digitized record. I should add that I've been doing my Mexican research mostly at FS, so I may not be the best person to answer that particular aspect. As far as I can tell, the Ancestry version of the FamilySearch records seems limited. I could be wrong on this too --hopefully someone will correct me if so.
However, there are other databases of Mexican records in their library. Presumably all the Mexican databases are available during the Dia De Los Muertos promotion. Here is a cut-and-pasted list of those that AREN'T categorized as "Birth, Marriage, Death". It's not a very long list, unfortunately:
U.S., Returns from Military Posts, 1806-1916 Military 3,993,758Jewish Given Name Variations Reference, Dictionaries & Almanacs 721,272 Hispanic Surnames and Family History, 1996 Reference, Dictionaries & Almanacs 341 The Works of Hubert Howe Bancroft Stories, Memories & Histories 31,558 Mexico Historical Postcards (in Spanish) Pictures 12,242 Mexico, European Immigrants to USA Arriving at Vera Cruz, Mexico, 1921-1931 Immigration & Travel 4,438 JewishGen Yizkor Book Master Name Index Stories, Memories & Histories 17,306 An Illustrated history of southern California : embracing the counties of San Diego, San Bernardino, Los Angeles and Orange, an Stories, Memories & Histories 926 World Foreign Gazetteer, Vol. 1 Maps, Atlases & Gazetteers 1,545,127 Coahuila y Texas : desde la consumacion de la independencia hasta el tratado de paz de Guadalupe Hidalgo Stories, Memories & Histories 1,098 Coahuila y Texas en la época colonial Stories, Memories & Histories 756 Nacogdoches, Texas, Spanish and Mexican Government Records, 1729-1836 (in Spanish) Immigration & Travel 15,964 Historical and Genealogical Account of the Family of Vance (Vans, Vaux, and De Vaux) Schools, Directories & Church Histories 46 Journal d'un missionnaire au Texas et au Mexique (in French) Stories, Memories & Histories 490
Sorry that it loses its formatting. The first column is the title of the database, second is the collection type, and the number at the end of each line is the number of records within the database.
Hope this helps you,
Cindy (Barela) Fahrbachemail: genie_research@hotmail.com
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Researching: Banegas, Barela, Cutler,
De La O, Fahrbach, Jimenez, Keller,
May, Navarro, Starnes, Utley, Ybarra
----------------------------------------> Message: 1
> Date: Sat, 31 Oct 2015 12:04:49 -0400
> From: Arturo Gonzalez
> Subject: Re: [Nuestros Ranchos] You are hereForums / History, Culture
> and General Discussion / Ancestry.com Offers Up 220M Mexican Records
> for Free for D?a de Muertos Ancestry.com Offers Up 220M Mexican
> Records for Free for D?a de Muertos
>
> Is there a list of the available Mexico records for Ancestry.com by
> state, municipality, year, etc?
> ...
> I don't have a paid account on Ancestry, but I suspect their records
> are merely duplicates of FamilySearch.org.
>
> Please correct me if there's any value to this site for Mexican records.
>
> Thanks, Arturo