How common is the surname DeLacy?

573 people in the United States had the surname DeLacy in the 2010 Census, about 1 in every 538,823 Americans. It ranked 38,582nd of 162,253 surnames.

Who is the most famous person named DeLacy?

Alice de Lacy, 3rd Countess of Lincoln, 4th Countess of Lincoln; born in Wales, followed by Hugh de Lacy, 1st Earl of Ulster.

Where is the surname DeLacy most common?

Wikidata records people named DeLacy in Principality of Wales, Earldom of Ulster and the United Kingdom of Great Britain and Ireland.

Is the surname DeLacy getting more or less common?

Less common. 588 people carried it in the 2000 Census and 573 in 2010, down 2.6%.

The surname DeLacy

A Norman place surname, carried by 573 people in the United States.

3 syllables Soundex D420

Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). DeLacy is more common than 76.2% of them.

Origin

Norman origin

Habitational surname of Norman origin, from the village of Lassy, Calvados, in Normandy.

DeLacy is a place surname: taken from where an ancestor lived or came from.

One of 128 Norman surnames on this site.

Origin from Wiktionary (CC BY-SA 4.0).

How common it is

2010 US Census

There were 573 people named DeLacy in the United States in 2010, about 1 in every 538,823 Americans. That is down 2.6% since 2000, when the Census counted 588.

#38,582

rank among US surnames

573

people in 2010

0.2

per 100,000 Americans

-2.6%

change since 2000 (was #36,045)

Who is named DeLacy

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

82% of people named DeLacy identified as white (not Hispanic), 9.4% as Black (not Hispanic) and 3.8% as Hispanic or Latino (any race).

White (not Hispanic) 82%
Black (not Hispanic) 9.4%
Hispanic or Latino (any race) 3.8%
Asian and Pacific Islander 3.0%

The Census suppresses very small shares to protect privacy; Native American, Multiracial are not shown.

Compare: most common surnames among white Americans.

Famous DeLacys

3 notable people on Wikidata, most written-about first

Alice de Lacy, 3rd Countess of Lincoln
4th Countess of Lincoln; born in Wales, 1281–1348
Hugh de Lacy, 1st Earl of Ulster
(1176-1242)
Hugh de Lacy, Lord of Meath
Anglo-Norman landowner and royal office holder, 1135–1186

Notable DeLacys come mostly from Principality of Wales (1), Earldom of Ulster (1) and the United Kingdom of Great Britain and Ireland (1).

Spellings and sound-alikes

Useful when a record has your ancestor under another spelling

Surnames that sound like DeLacy

DeLacy has the Soundex code D420, the code US census indexes have used since the 1930s. Every surname with code D420.

Other Norman surnames

All 128 Norman surnames

Questions

Where does the surname DeLacy come from?: Habitational surname of Norman origin, from the village of Lassy, Calvados, in Normandy.
How common is the surname DeLacy?: 573 people in the United States had the surname DeLacy in the 2010 Census, about 1 in every 538,823 Americans. It ranked 38,582nd of 162,253 surnames.
What ethnicity is the surname DeLacy?: In the 2010 Census, 82% of people named DeLacy identified as white (not Hispanic), and 9.4% as Black (not Hispanic).
Who is the most famous person named DeLacy?: Alice de Lacy, 3rd Countess of Lincoln, 4th Countess of Lincoln; born in Wales, followed by Hugh de Lacy, 1st Earl of Ulster.
Where is the surname DeLacy most common?: Wikidata records people named DeLacy in Principality of Wales, Earldom of Ulster and the United Kingdom of Great Britain and Ireland.
What type of surname is DeLacy?: DeLacy is a place surname, taken from where an ancestor lived or came from.
Is the surname DeLacy getting more or less common?: Less common. 588 people carried it in the 2000 Census and 573 in 2010, down 2.6%.