Find out how popular the last name Castellow is in the United States and learn more about the meaning, history, and race and ethnic origin of people in America who are named Castellow.

Castellow, like all of the last names we have data for, is identified by the U.S. Census Bureau as a surname which has more than 100 occurrences in the United States in the Decennial Census survey. The most recent statistics we have for the Castellow surname is from the 2010 census data.

Popularity of Castellow in America

Castellow is the 105600th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Castellow surname appeared 169 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 0 people would have the surname Castellow.

We can also compare 2010 data for Castellow to data from the previous census in 2000. The table below contains all of the statistics for both years in a side-by-side comparison.

The history of the last name Castellow

The surname Castellow has its origins in medieval England, emerging from the Old English words "castel" and "leah," which together translate to "meadow near a castle." This suggests that the name's earliest bearers resided in close proximity to a fortified structure, likely in a rural or pastoral setting.

The name Castellow can be traced back to the 12th century, with records indicating its presence in various regions of England, including Yorkshire, Lincolnshire, and Gloucestershire. One of the earliest known references to the name appears in the Pipe Rolls of Lincolnshire from 1195, where a certain Willelmus de Castelowe is mentioned.

In the 13th century, the Castellow name is found in the Hundred Rolls of Oxfordshire, a survey of landowners and tenants conducted in 1279. This document lists a Hugo de Castelowe as a resident of the area.

During the 14th century, the Castellow family gained prominence in Gloucestershire, with records indicating their ownership of lands and estates in the region. One notable figure from this period was Sir John Castellow, a knight who served in the army of King Edward III and participated in the Battles of Crécy and Poitiers during the Hundred Years' War.

The 15th century saw the emergence of various spelling variations of the name, including Castellow, Castellow, and Castillo. This was likely due to regional dialects and the inconsistencies in record-keeping during that time. One prominent individual from this era was William Castellow, a wealthy merchant and landowner from Yorkshire, who lived from 1425 to 1493.

In the 16th century, the Castellow family continued to maintain a presence in various parts of England. Of particular note was Sir Thomas Castellow (1520-1587), a respected jurist and member of the Privy Council during the reign of Queen Elizabeth I.

As the centuries progressed, the Castellow name spread across England and beyond, with individuals bearing the surname making their mark in various fields, including military service, politics, and commerce. Other notable figures include Captain James Castellow (1675-1742), a naval officer who distinguished himself during the War of the Spanish Succession, and Mary Castellow (1789-1862), a renowned author and poet from Gloucestershire.

Race and ethnic origin of people with the last name Castellow

We also have some data on the ancestry of people with the surname Castellow.

The below race categories are the modified race categories used in the Census Bureau's population estimates program. All people were categorized into six mutually exclusive racial and Hispanic origin groups:

1. White only
2. Black only
3. American Indian and Alaskan Native only
4. Asian and Pacific Islander only
5. Hispanic
6. Two or More Races

For the most recent 2010 census data, the race/ethnic origin breakdown for Castellow was:

Note: Any fields showing (S) means the data was suppressed for privacy so that the data does not in any way identify any specific individuals.

Since we have data from the previous census in 2000, we can also compare the values to see how the popularity of Castellow has changed in the 10 years between the two census surveys.

Data source

The last name data and ethnic breakdown of last names is sourced directly from the Decennial Census survey, conducted every 10 years by the United States Census Bureau.

The history and meaning of the name Castellow was researched and written by our team of onomatology and genealogy experts.

If you have a correction or suggestion to improve the history of Castellow, please contact us.

Reference this page

We spend a lot of resources downloading, cleaning, merging, and formatting the data that is shown on the site.

If you found the data or information on this page useful in your research, please use the tool below to properly cite or reference Name Census as the source. We appreciate your support!