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

Casterlow, 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 Casterlow surname is from the 2010 census data.

Popularity of Casterlow in America

Casterlow is the 138304th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Casterlow surname appeared 121 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 Casterlow.

We can also compare 2010 data for Casterlow 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 Casterlow

The surname Casterlow originated in the English county of Lancashire during the late medieval period. It is derived from the Old English words "cæster" meaning a fortified town or city, and "hlaw" meaning a small hill or mound. This suggests the name likely referred to someone who lived near a fortified settlement built on a hill or raised ground.

Some of the earliest recorded spellings of the name include Castrelowe in the Subsidy Rolls of Lancashire in 1332, and Casterlo in the Pipe Rolls of Yorkshire in 1379. These variations highlight how surnames evolved through different pronunciations and spellings over time. The name may also be related to place names like Casterton in Westmorland, which was recorded in the Domesday Book of 1086 as "Castretune."

One of the earliest known bearers of the Casterlow surname was Richard de Casterlow, who was mentioned in the Court Rolls of Lancashire in 1412. Another early record is Thomas Casterlow, whose son John was baptized in the parish of Barton-upon-Irwell, Lancashire in 1509.

During the 16th century, the Casterlow family was well-established in the area around Manchester, with members recorded in local parish registers. Notable individuals include Edward Casterlow (1565-1633), a wealthy landowner and alderman of Manchester, and his son John Casterlow (1598-1672), who served as a captain in the Parliamentarian forces during the English Civil War.

Other prominent bearers of the name include Reverend William Casterlow (1701-1778), a Church of England clergyman who served as Rector of St. Mary's in Bury, Lancashire for over 40 years. In the 19th century, James Casterlow (1823-1897) was a successful cotton manufacturer and philanthropist in Oldham, while his cousin Henry Casterlow (1830-1914) was a renowned architect who designed many churches and public buildings across northern England.

Race and ethnic origin of people with the last name Casterlow

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

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 Casterlow 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 Casterlow 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 Casterlow was researched and written by our team of onomatology and genealogy experts.

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

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