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The surname Leahy

An Irish patronymic surname, carried by 11,014 people in the United States.

Pronounced /ˈliːhi/ 2 syllables Soundex L000

Leahy: #3,280 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#10Martinez#100Jimenez#1,000Archer#10,001Dubon Leahy #3,280, 11,014 people Leahy: #3,280 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#100Jimenez Leahy #3,280, 11,014 people
Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). Leahy is more common than 98% of them.

Origin

Irish origin

Reduced Anglicized form of Irish Ó Laochda (“descendant of Laochda”), a personal name derived from laoch (“hero”).

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

One of 880 Irish surnames on this site.

Origin from Wiktionary (CC BY-SA 4.0).

How common it is

2010 US Census

There were 11,014 people named Leahy in the United States in 2010, about 1 in every 28,032 Americans. That is up 4.7% since 2000, when the Census counted 10,515.

#3,280
rank among US surnames
11,014
people in 2010
3.7
per 100,000 Americans
+4.7%
change since 2000 (was #3,144)
RankSurnamePeople1 in
#3,271Byrnes11,03927,969
#3,272Ness11,03727,974
#3,273Estevez11,03227,986
#3,274Alanis11,02927,994
#3,275Llamas11,02827,997
#3,278Brackett11,02727,999
#3,279Lively11,02628,002

Who is named Leahy

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

95% of people named Leahy identified as white (not Hispanic), 2.2% as Hispanic or Latino (any race) and 1.2% as two or more races.

  • White (not Hispanic) 95%
  • Hispanic or Latino (any race) 2.2%
  • Two or more races 1.2%
  • Asian and Pacific Islander 0.6%
  • Black (not Hispanic) 0.3%
  • American Indian and Alaska Native 0.2%

Compare: most common surnames among white Americans.

Famous Leahys

3 notable people on Wikidata, most written-about first

  • Patrick Leahy
    American politician and lawyer (born 1940)
  • Conor Leahy
    Australian cyclist, born 1999
  • Edward L. Leahy
    American politician (1886-1953)

Notable Leahys come mostly from the United States (2) and Australia (1).

Spellings and sound-alikes

Useful when a record has your ancestor under another spelling

Variant spellings

Surnames that sound like Leahy

Leahy has the Soundex code L000, the code US census indexes have used since the 1930s. Every surname with code L000.

Other Irish surnames

Questions

Where does the surname Leahy come from?
Reduced Anglicized form of Irish Ó Laochda (“descendant of Laochda”), a personal name derived from laoch (“hero”).
How common is the surname Leahy?
11,014 people in the United States had the surname Leahy in the 2010 Census, about 1 in every 28,032 Americans. It ranked 3,280th of 162,253 surnames.
What ethnicity is the surname Leahy?
In the 2010 Census, 95% of people named Leahy identified as white (not Hispanic), and 2.2% as Hispanic or Latino (any race).
Who is the most famous person named Leahy?
Patrick Leahy, American politician and lawyer (born 1940), followed by Conor Leahy.
Where is the surname Leahy most common?
Wikidata records people named Leahy in the United States and Australia.
How do you pronounce Leahy?
Leahy is /ˈliːhi/, 2 syllables.
What type of surname is Leahy?
Leahy is a patronymic surname, formed from a father’s (or ancestor’s) given name.
Is the surname Leahy getting more or less common?
More common. 10,515 people carried it in the 2000 Census and 11,014 in 2010, up 4.7%.
What are other spellings of Leahy?
Lahey, Leahey, Leehey, Leehy and Lehigh.