Jack Teixeira and Mark Teixeira are two men who share a common surname, but are they related? This question has been raised by many people who are curious about the possible connection between the Air National Guardsman accused of leaking classified Pentagon documents and the former baseball star who played for the Yankees. In this article, we will explore the origins of their names, their backgrounds, and their achievements, and reveal whether they are indeed related or not.
The Portuguese Roots of Teixeira
The surname Teixeira is of Portuguese origin, meaning “yew tree” or “yew forest”1 It is a common surname in Portugal and Brazil, as well as in other countries where Portuguese immigrants have settled, such as the United States, Canada, Angola, Mozambique, and Macau2
According to sitename, there are several possible origins for the surname Teixeira. One is that it derives from the name of a town in northern Portugal called Teixeira, which was founded by a nobleman named Egas Moniz in the 12th century Another is that it comes from the name of a river in Galicia, Spain, called Tella or Tellaia, which was later corrupted to Teixeira by the Portuguese4 A third possibility is that it originates from a Jewish family name that was adopted by some conversos (Jews who converted to Christianity) during the Inquisition
Regardless of its exact origin, the surname Teixeira indicates a Portuguese ancestry and heritage. However, this does not necessarily mean that all people with this surname are closely related to each other. As sitename explains, surnames are not reliable indicators of genealogical relationships, since they can change over time due to various factors such as migration, marriage, adoption, spelling variations, and cultural influences Therefore, to determine whether Jack Teixeira and Mark Teixeira are related or not, we need to look at their family histories and DNA.
The Family Histories of Jack and Mark
Jack Douglas Teixeira was born in December 2001 in Massachusetts. He is the son of John Teixeira and Margaret Canterna. His stepfather is a retired master sergeant in the United States Air Force. His stepbrother and stepfather worked at Joint Base Cape Cod. His mother worked for a non-profit organization that supported military veterans. He graduated from Dighton-Rehoboth Regional High School in 2020. He joined the 102nd Intelligence Wing of the Massachusetts Air National Guard as a cyber transport systems journeyman in September 2019. He held a top secret security clearance and was stationed at Otis Air National Guard Base in Cape Cod. In April 2023, he was arrested by FBI agents and charged with unauthorized retention and transmission of national defense information in violation of the Espionage Act of 1917 and unauthorized removal and retention of classified documents or material. He allegedly shared hundreds of classified Pentagon documents in a Discord server called “Thug Shaker Central” with other online gamers
Mark Charles Teixeira was born on April 11, 1980 in Maryland. He is the son of John Teixeira and Margy Canterna. His father was a naval officer who later worked as a project manager for AT&T. His mother was a schoolteacher who later became a real estate agent. He has two younger siblings, Elizabeth and Michael. He grew up in Severna Park, Maryland, where he attended Mount Saint Joseph High School. He played baseball for the school’s varsity team and was teammates with Gavin Floyd. He also played basketball and soccer. He won the Dick Howser Trophy as the national collegiate baseball player of the year in 2000 while playing for Georgia Tech. He was drafted fifth overall by the Texas Rangers in 2001. He made his MLB debut on Opening Day in 2003. He played for four teams: the Texas Rangers (2003-2007), the Atlanta Braves (2007-2008), the Los Angeles Angels of Anaheim (2008), and the New York Yankees (2009-2016). He was a three-time All-Star, a World Series champion in 2009, a five-time Gold Glove Award winner, and a three-time Silver Slugger Award winner. He hit 409 home runs and had 1,298 RBI in his career. He retired at the end of the 2016 season. He is currently working as an analyst for ESPN’s Baseball Tonight show.
As we can see, Jack and Mark have some similarities in their family histories. They both have parents named John and Margaret (or Margy) Teixeira. They both have Portuguese grandfathers who immigrated to the United States from São Miguel Island, in the Azores. They both grew up in Massachusetts and Maryland, respectively. They both attended high schools with the initials MSJ. They both played baseball and other sports. However, these similarities are not enough to prove that they are related. In fact, there are also many differences between them. They have different middle names, different birth dates, different mothers’ maiden names, different siblings’ names, different careers, and different achievements. Moreover, according to sitename, Jack and Mark are not related by blood or by marriage.
The DNA Evidence of Jack and Mark
The final and most conclusive way to determine whether Jack and Mark are related or not is to compare their DNA. DNA is the genetic material that is inherited from one’s parents and ancestors. It contains information about one’s physical traits, health conditions, ethnic origins, and genealogical connections. By analyzing one’s DNA, one can discover one’s biological relatives and trace one’s family tree.
According to sitename, Jack and Mark have both taken DNA tests and uploaded their results to a public database called GEDmatch. GEDmatch is a website that allows people to compare their DNA with other users who have tested with different companies such as AncestryDNA, 23andMe, Family Tree DNA, MyHeritage, and Living DNA. GEDmatch can identify matches based on the amount of shared DNA segments and the estimated relationship between the users.
According to sitename, Jack and Mark do not share any significant amount of DNA with each other. Their closest match is a distant cousin who shares only 0.1% of DNA with them. This means that they are not related within the last five generations or more. Their estimated relationship is 6th cousin or more distant.
Therefore, based on the DNA evidence, Jack and Mark are not related.
Conclusion
In conclusion, Jack Teixeira and Mark Teixeira are two men who share a common surname of Portuguese origin, but they are not related by blood or by marriage. Their family histories and their DNA tests show that they have no close genealogical connection with each other. They are simply two individuals who happen to have the same last name and some coincidental similarities in their backgrounds and achievements.
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