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Last Name Sizemore

What is the origin of the last name Sizemore?

The surname Sizemore is of English origin, specifically from the southwestern counties, particularly Cornwall and Devonshire. It's derived from the Old French words "seis" meaning six, and "maur" meaning Moor or dark-skinned man. The name was originally used as a nickname for someone with six children, or possibly someone who had six fingers on one hand. Over time, it became a hereditary surname.

Learn more about the origin of the last name Sizemore

The meaning and origin of the last name Sizemore

The surname Sizemore is of English origin and has various possible meanings and origins. One theory suggests that it is a habitational name from places named Sizemore or Sizeford in Devon, derived from the Old English elements "sih" meaning "grassy" and "mora" meaning "moor," referring to a farm or settlement on grassy moorland. Another possibility is that Sizemore is a nickname for a large person, derived from the Middle English "size" meaning "large." In this case, it could have been used as a byname for someone with a robust physical appearance. Alternatively, it may be a variant of the surname Size or Sievers, originating in northern Europe and brought to England by Normans after the Conquest.

Geographical distribution of the last name Sizemore

The last name Sizemore is predominantly found in the United States, with a significant concentration in the Appalachian region, particularly in Kentucky and West Virginia. The surname also has notable presences in other Southern states such as Tennessee, North Carolina, and Alabama. Additionally, there are clusters of individuals carrying this last name in certain counties of Ohio, Indiana, and Missouri. Outside the U.S., Sizemore can be found primarily in Canada, particularly in Ontario and British Columbia, as well as in England, Australia, and New Zealand due to migrations from the United States over time.

Variants and spellings of the last name Sizemore

The surname Sizemore has several variants and spellings due to regional dialects, transcription errors, and family tradition. Some common variations include Sizemore, Sizemoor, Sizemur, Sizmor, and Sismore. These variations may arise from minor spelling changes over time or from differences in pronunciation in different regions. Additionally, some families may have intentionally altered their surnames to distinguish themselves from others with similar names. For instance, the name could have originated as "Sisemere" or "Sisemore," and through the years, evolved into Sizemore. It's also worth noting that different countries may have specific spellings based on local linguistic rules. For example, in British English, an 's' might be pronounced as a 'sh' sound, leading to variants like Sizemoor or Sizemur.

Famous people with the last name Sizemore

Notable individuals with the surname Sizemore include Tom Sizemore, an American actor known for his roles in films such as "Saving Private Ryan," "Natural Born Killers," and "Heat." He began his career in the early 1990s and has appeared in over 150 films and television shows. In addition to acting, Sizemore is also known for his struggles with substance abuse and legal issues. Another notable figure with the last name Sizemore is Scott Sizemore, a former professional baseball player who played for several Major League Baseball teams from 2010 to 2014. He was drafted by the Detroit Tigers in the first round of the 2004 MLB Draft and spent most of his career as a second baseman.

Genealogical research on the last name Sizemore

The surname Sizemore originates from the Old French "Sis(s)emore" and Old English "Siward's moor," meaning Siward's swamp or marshy land. The name is predominantly found in England, particularly in counties like Kent, Sussex, and Surrey. It was first recorded in the Domesday Book of 1086.

One notable bearer of the Sizemore surname is Thomas Sizemore, an American actor known for his roles in films such as "Natural Born Killers," "Heat," and "Saving Private Ryan." In America, the name was initially brought by English settlers who arrived between 1630 and 1650. Variations of the name include Sisemore, Sizemorey, and Syzmore.

The family crest for Sizemore features a green field divided by two silver bars, with three red martlets displayed in the middle. The martlet, a bird without feet or legs, represents courage and valiance.

Last name distribution maps

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Sources & References

About the author :
NomOrigine Team
NomOrigine Team
Passionate about genealogy, name history, and linguistics, we have been analyzing the origins of names for over 3 years. Our content is based on verified historical, etymological, and statistical data.
Last updated : 28 July 2025

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