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Census.govPeople and Households Genealogy MainGenealogy DataFrequently Occurring Surnames from Census 1990 › Names Files

Genealogy Data: Frequently Occurring Surnames from Census 1990 Names Files

NOTE: No specific individual information is given.

Files:

  • dist.all.last [2M]
  • dist.female.first [146k]
  • dist.male.first [41k]
  • Each of the three files, (dist.all.last), (dist. male.first), and (dist female.first) contain four items of data. The four items are:

    1. A "Name"
    2. Frequency in percent
    3. Cumulative Frequency in percent
    4. Rank

    In the file (dist.all.last) one entry appears as:

            MOORE       0.312       5.312       9 

    In our search area sample, MOORE ranks 9th in terms of frequency. 5.312 percent of the sample population is covered by MOORE and the 8 names occurring more frequently than MOORE. The surname, MOORE, is possessed by 0.312 percent of our population sample.

    Read the detailed methodology [TXT – 11k]
Source: U.S. Census Bureau | Genealogy |  Last Revised: April 08, 2010