Mexican Last Names Starting With O

These are the most common Mexican last names beginning with O, ranked by how many people in Mexico have the name today.

Ortiz and Ortega are the most prevalent, ranking #24 and #42 respectively.

These rankings come from a database of over 1.25 million workers published by Mexico’s Ministry of Public Education.

List Of Mexican Last Names Starting With O

Let’s start with the alphabetical list of names from Oaxaca to Ojeda.

Three surnames in this section rank in the top two hundred in Mexico. Ochoa ranks highest of the three. Ochoa is a Basque surname dating back to medieval times. The meaning coming from otxo, a wolf.

The next section also has a surname with the same meaning, but the linguistic origins are completely different.

Last NameMexico RankU.S. Rank
Oaxaca2,23234,707
Obando2,6659,551
Obeso2,19723,691
Obispo1,55628,777
Obregon8275,630
Ocampo1801,374
Ocaña96414,468
Ocegueda1,05015,418
Oceguera2,0629,081
Ochoa124408
Ocon2,01513,115
Ojeda1981,633

Mexican Names From Olachea to Olguin

Olguin is the most common name in this section. Aside from Mexico, it is also found in Argentina and Chile.

The name is of Spanish origin, with most scholars linking it to the medieval name Holguin. This variant’s meaning may come from the Old German word for a wolf (wulf). The -in is the diminutive, so the full meaning is “little wolf”.

Last NameMexico RankU.S. Rank
Olachea1,88076,768
Olague1,79411,185
Olalde1,25915,255
Olan90423,205
Olarte1,44823,515
Olascoaga2,23244,808
Olaya2,09527,228
Olazaran2,793130,610
Olea5677,492
Olguin2953,356

Mexican Names From Oliva to Olvera

Olvera and Olivares in this section are in the top two hundred surnames in Mexico.

Olvera is a habitational name, which means it originally referred to people from a place of that name e.g. the town in the Cádiz province in Andalusia. The meaning likely stems from the Latin word for olives (oliva).

Last NameMexico RankU.S. Rank
Oliva4511,835
Olivar1,70318,808
Olivares1601,490
Olivas4971,785
Olivera5333,896
Oliveros1,4007,217
Olivo1,0743,412
Olivos2,16528,176
Olmeda2,23213,271
Olmedo5655,967
Olmos4483,596
Olvera1181,275

Mexican Names From Omaña to Orenday

Ordaz and Ontiveros are the most common names in this section, and they are just one ranking apart.

Ordaz has a famous recent bearer, the President of Mexico from 1964 to 1970 (Gustavo Díaz Ordaz). As is often the case with names of Spanish origins, there are several competing theories of meaning.

Some relate it to another name in this section, Ordoñez, which may stem from the Latin fortunius (fortunate).

Others link Ordaz to several places in Spain with the name. These place names are sometimes linked to the Basque word ordo, which means oats. Early bearers may have lived near or worked in oat fields.

Last NameMexico RankU.S. Rank
Omaña1,79436,970
Oñate2,99715,833
Onofre78410,396
Ontiveros3622,225
Orantes1,66212,399
Orbe2,40931,150
Ordaz3614,578
Ordoñez5391,952
Orduña1,55612,683
Orduño1,41313,081
Orea1,20319,527
Orellana2,7931,319
Orendain2,40936,525
Orenday1,76672,332

Mexican Names From Organista to Ortuño

Three names in this section rank within the top one hundred surnames in Mexico. Ortiz is the most common of the three.

This Spanish name literally means “son of Orti”. There are two main theories on the origins or Orti. Like the name Ordoñez in the previous section, some link it to the Latin fortunius (fortunate). Others trace it to the Latin fortis, which means strong.

Last NameMexico RankU.S. Rank
Organista1,64642,720
Origel2,66542,720
Orihuela1,23118,584
Ornelas4671,568
Orona1,3805,649
Oropeza4584,965
Oros1,94012,384
Orozco95512
Orta6814,535
Ortega42239
Ortegon1,34913,938
Ortela2,612
Ortigoza1,54239,607
Ortiz2468
Ortuño2,86114,495

Mexican Names From Oseguera to Ozuna

Osorio is the highest ranked name in this section. It has Spanish and Portuguese origins, and ultimately comes from Osorius, which dates back to medieval times. There are several theories on its meaning, one linking it to the Latin ursus, or “bear”.

Last NameMexico RankU.S. Rank
Oseguera1,4007,455
Osnaya1,61675,317
Osorio1341,199
Osornio1,08613,922
Osorno1,18528,176
Ostos2,45845,653
Osuna3234,666
Otamendi2,997137,327
Otero8241,716
Ovalle6384,610
Ovando47117,331
Oviedo5854,362
Oyervides2,06231,184
Ozuna8025,499

Notes About The List

The data comes from an open database of 1,256,438 federal education workers published by Mexico’s Secretaría de Educación Pública. The processed data is published on GitHub as mexican-names.

The Mexico Rank column shows how common the surname is in Mexico. The U.S. Rank column is the name’s position in the 2010 United States census.

People in Mexico carry two surnames, the father’s followed by the mother’s. Our ranking uses the father’s surname, which is the one a person is normally known by.

Related lists

For surnames common among Hispanic Americans, see our list of Hispanic last names starting with O.

You can also use our surname ranking tool to check how a name ranked in the 2000 and 2010 U.S. censuses.

Index to Other Letters

ABCDEFG
HIJKLMN
OPQRSTU
VWXYZ

Margaret created a family tree on a genealogy website in 2012. She purchased her first DNA kit in 2017. She created this website to share insights and how-to guides on DNA, genealogy, and family research.