How common is the surname Roby?

9,315 people in the United States had the surname Roby in the 2010 Census, about 1 in every 33,145 Americans. It ranked 3,798th of 162,253 surnames.

Who is the most famous person named Roby?

Isaiah Roby, American basketball player (born 1998), followed by Richard Roby.

Where is the surname Roby most common?

Wikidata records people named Roby in the United States.

Is the surname Roby getting more or less common?

More common. 8,986 people carried it in the 2000 Census and 9,315 in 2010, up 3.7%.

The surname Roby

A patronymic surname, carried by 9,315 people in the United States.

2 syllables Soundex R100

Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). Roby is more common than 97.7% of them.

Origin

From a medieval diminutive form of the given name Robert.

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

Origin from Wiktionary (CC BY-SA 4.0).

How common it is

2010 US Census

There were 9,315 people named Roby in the United States in 2010, about 1 in every 33,145 Americans. That is up 3.7% since 2000, when the Census counted 8,986.

#3,798

rank among US surnames

9,315

people in 2010

3.2

per 100,000 Americans

+3.7%

change since 2000 (was #3,630)

Rank	Surname	People	1 in
#3,789	Clough	9,339	33,060
#3,790	Hennessy	9,338	33,063
#3,791	Rosenbaum	9,333	33,081
#3,792	Stull	9,324	33,113
#3,793	Bolen	9,323	33,117
#3,794	Reno	9,322	33,120
#3,795	McFarlane	9,319	33,131

Who is named Roby

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

63% of people named Roby identified as white (not Hispanic), 31% as Black (not Hispanic) and 2.3% as two or more races.

White (not Hispanic) 63%
Black (not Hispanic) 31%
Two or more races 2.3%
Hispanic or Latino (any race) 2.2%
Asian and Pacific Islander 1.3%
American Indian and Alaska Native 0.4%

Compare: most common surnames among white Americans.

Famous Robys

3 notable people on Wikidata, most written-about first

Isaiah Roby
American basketball player (born 1998)
Richard Roby
American basketball player (born 1985)
Bradley Roby
American football player, born 1992

Spellings and sound-alikes

Useful when a record has your ancestor under another spelling

Surnames that sound like Roby

Roby has the Soundex code R100, the code US census indexes have used since the 1930s. Every surname with code R100.

Questions

Where does the surname Roby come from?: From a medieval diminutive form of the given name Robert.
How common is the surname Roby?: 9,315 people in the United States had the surname Roby in the 2010 Census, about 1 in every 33,145 Americans. It ranked 3,798th of 162,253 surnames.
What ethnicity is the surname Roby?: In the 2010 Census, 63% of people named Roby identified as white (not Hispanic), and 31% as Black (not Hispanic).
Who is the most famous person named Roby?: Isaiah Roby, American basketball player (born 1998), followed by Richard Roby.
Where is the surname Roby most common?: Wikidata records people named Roby in the United States.
What type of surname is Roby?: Roby is a patronymic surname, formed from a father’s (or ancestor’s) given name.
Is the surname Roby getting more or less common?: More common. 8,986 people carried it in the 2000 Census and 9,315 in 2010, up 3.7%.