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Editorial Team
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Asked: 2026-05-25T12:52:42+00:00

I have a Google Spreadsheet with a set of data that looks like this:

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I have a Google Spreadsheet with a set of data that looks like this:

 A  | B             | C  | D
--------------------------------
 .. | John Smith    | .. | 2011
 .. | john smith    | .. | 2011
 .. | Kathy Ericson | .. | 2012
 .. | JOHN SMITH    | .. | 2013
 .. | Kathy Ericson | .. | 2012

What I would like to do is count each unique person (John Smith/john smith, 2011 is NOT the same as JOHN SMITH, 2013) and display in column E how often that person shows up in the list. In this example:

 A  | B             | C  | D    | E
--------------------------------------
 .. | John Smith    | .. | 2011 | 2
 .. | john smith    | .. | 2011 | 2
 .. | Kathy Ericson | .. | 2012 | 2
 .. | JOHN SMITH    | .. | 2013 | 1
 .. | Kathy Ericson | .. | 2012 | 2

How would I go about creating a formula that could do that? I have basic knowledge of Excel formulas, so perhaps a VLOOKUP?

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1 Answer

  1. Editorial Team

    How about taking the SUM of the UNIQUE rows in your array?

    In the documentation for that function, it says

    Returns only the unique rows in the source array, discarding
    duplicates. The rows are returned according to the order in which they
    first appear in the source array.

    …

    • =Unique(A1:B10) returns all of the unique rows from A1:B10.

    http://docs.google.com/support/bin/static.py?page=table.cs&topic=25273

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