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The surname McIsaac

A Scottish Gaelic patronymic surname, carried by 1,230 people in the United States.

3 syllables Soundex M222

McIsaac: #21,307 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#10Martinez#100Jimenez#1,000Archer McIsaac #21,307, 1,230 people McIsaac: #21,307 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#100Jimenez McIsaac #21,307, 1,230 people
Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). McIsaac is more common than 86.9% of them.

Origin

Scottish Gaelic origin

From the Scottish Gaelic patronymic from the personal name Isaac.

McIsaac is a patronymic surname: formed from a father’s (or ancestor’s) given name.

One of 277 Scottish Gaelic surnames on this site.

Origin from Wiktionary (CC BY-SA 4.0).

How common it is

2010 US Census

There were 1,230 people named McIsaac in the United States in 2010, about 1 in every 251,013 Americans. That is up 4.1% since 2000, when the Census counted 1,181.

#21,307
rank among US surnames
1,230
people in 2010
0.4
per 100,000 Americans
+4.1%
change since 2000 (was #20,785)

Who is named McIsaac

Race and Hispanic origin as people reported it in the 2010 Census

96% of people named McIsaac identified as white (not Hispanic), 1.5% as Black (not Hispanic) and 1.3% as Hispanic or Latino (any race).

  • White (not Hispanic) 96%
  • Black (not Hispanic) 1.5%
  • Hispanic or Latino (any race) 1.3%
  • Two or more races 1.1%
  • Asian and Pacific Islander 0.6%

Compare: most common surnames among white Americans.

Spellings and sound-alikes

Useful when a record has your ancestor under another spelling

Surnames that sound like McIsaac

McIsaac has the Soundex code M222, the code US census indexes have used since the 1930s. Every surname with code M222.

Other Scottish Gaelic surnames

Questions

Where does the surname McIsaac come from?
From the Scottish Gaelic patronymic from the personal name Isaac.
How common is the surname McIsaac?
1,230 people in the United States had the surname McIsaac in the 2010 Census, about 1 in every 251,013 Americans. It ranked 21,307th of 162,253 surnames.
What ethnicity is the surname McIsaac?
In the 2010 Census, 96% of people named McIsaac identified as white (not Hispanic), and 1.5% as Black (not Hispanic).
What type of surname is McIsaac?
McIsaac is a patronymic surname, formed from a father’s (or ancestor’s) given name.
Is the surname McIsaac getting more or less common?
More common. 1,181 people carried it in the 2000 Census and 1,230 in 2010, up 4.1%.