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    The surname Mountcastle

    An Irish place surname, carried by 620 people in the United States.

    3 syllables Soundex M532

    Mountcastle: #36,154 of 162,253 surnames in the 2010 US Census #1Smith#160,975Doriott#10Martinez#100Jimenez#1,000Archer#10,001Dubon Mountcastle #36,154, 620 people Mountcastle: #36,154 of 162,253 surnames in the 2010 US Census #1Smith#100Jimenez Mountcastle #36,154, 620 people
    Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). Mountcastle is more common than 77.7% of them.

    Origin

    Irish origin

    Perhaps a habitational surname from a now lost place, from mount + castle. Alternatively, a further Anglicization of the Irish surname Mountcashell.

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

    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 620 people named Mountcastle in the United States in 2010, about 1 in every 497,977 Americans. That is up 7.1% since 2000, when the Census counted 579.

    #36,154
    rank among US surnames
    620
    people in 2010
    0.2
    per 100,000 Americans
    +7.1%
    change since 2000 (was #36,463)

    Who is named Mountcastle

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

    87% of people named Mountcastle identified as white (not Hispanic), 7.7% as Black (not Hispanic) and 2.3% as Hispanic or Latino (any race).

    • White (not Hispanic) 87%
    • Black (not Hispanic) 7.7%
    • Hispanic or Latino (any race) 2.3%
    • Two or more races 1.6%
    The Census suppresses very small shares to protect privacy; Asian & Pacific Islander, Native American are not shown.

    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 Mountcastle

    Mountcastle has the Soundex code M532, the code US census indexes have used since the 1930s. Every surname with code M532.

    Other Irish surnames

    All 880 Irish surnames

    Questions

    Where does the surname Mountcastle come from?
    Perhaps a habitational surname from a now lost place, from mount + castle. Alternatively, a further Anglicization of the Irish surname Mountcashell.
    How common is the surname Mountcastle?
    620 people in the United States had the surname Mountcastle in the 2010 Census, about 1 in every 497,977 Americans. It ranked 36,154th of 162,253 surnames.
    What ethnicity is the surname Mountcastle?
    In the 2010 Census, 87% of people named Mountcastle identified as white (not Hispanic), and 7.7% as Black (not Hispanic).
    What type of surname is Mountcastle?
    Mountcastle is a place surname, taken from where an ancestor lived or came from.
    Is the surname Mountcastle getting more or less common?
    More common. 579 people carried it in the 2000 Census and 620 in 2010, up 7.1%.