Explore the Family Name Roch

The meaning of Roch

1. French, German, Sorbian, Polish, and Czech: from the personal name Roch, Latin Rochus, of ancient Germanic origin, derived from Hrocho, a short form of the compound names with the first element hrok ‘crow’. It may have also been originally a byname meaning ‘crow’. The name was fairly common in the Middle Ages, bestowed in honor of a 14th-century Christian saint Rochus of Montpellier, remembered for his miraculous healings during an outbreak of the plague in northern Italy. 2. German and Czech: from a short form of ancient Germanic compound names like Rochold, related to 1 above. 3. German: nickname from Middle High German rou, rōch ‘rough’ for an immature person. 4. Czech and Sorbian: from a pet form of a personal name beginning with Ro-, such as Rodoslav (see Rod 3). 5. Shortened and altered form of southern French Roquebrune or of its variant Rocquebrune (see Rocque 1). Compare Rock 7. 6. English and Irish: of Norman origin, a habitational name from Roch (Pembrokeshire), named from the rock on which the Norman castle was built (see Roach). The derived Anglo-Norman surname flourished in Pembrokeshire and was also taken to Ireland (particularly Munster and Wexford) in the 12th century, whence it returned to England with Irish migrants in the 18th and 19th centuries. 7. Jewish (Ashkenazic): variant of Rauch. History: Some of the American bearers of the surname Roch (see 5 above) are descendants of Philibert Couillaud dit Ro(c)quebrune from France (see Larocque). Some characteristic forenames: French Andre, Jacques, Emile, Gilles, Jean-Marc, Julien, Marcel, Michel, Pierre, Thierry, Yves.

Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.

How common is the last name Roch in the United States?

Based on the Decennial U.S. Census data, the popularity of the surname Roch has experienced a slight decline in the United States over the past decade. In 2000, Roch ranked 26,292nd in terms of popularity, with 874 individuals bearing this surname. However, by 2010, the rank had dropped to 28,909 as the count decreased to 822, marking a decrease of about 5.95%. Consequently, the proportion per 100,000 people also saw a decrease of 12.5%, dropping from 0.32 in 2000 to 0.28 in 2010.

20002010Change
Rank#26,292#28,909-9.95%
Count874822-5.95%
Proportion per 100k0.320.28-12.5%

Race and Ethnicity of people with the last name Roch

In terms of ethnicity, the Census data reveals some shifts in the ethnic identity associated with the surname Roch from 2000 to 2010. The percentage of individuals identifying as White decreased slightly from 88.67% to 85.89%. On the other hand, there were increases in the percentages of those identifying as Hispanic (from 5.03% to 6.45%) and Black (from 4.00% to 4.74%). There was also a small increase in individuals of two or more races, from 1.26% to 1.46%. However, the data showed no significant change for Asian/Pacific Islander and American Indian and Alaskan Native populations, remaining at zero percent for both years.

20002010Change
White88.67%85.89%-3.14%
Hispanic5.03%6.45%28.23%
Black4%4.74%18.5%
Two or More Races1.26%1.46%15.87%
Asian/Pacific Islander0%0%0%
American Indian and Alaskan Native0%0%0%