try
=sumproduct(--(D1:D1000<""),--(C1:C1000="Amanda"))
the --( changes the logical true false to a numeric 1 0
and the arrays in each section needs to be the same size but cant be the
full column or row shorthand (A:A won't work)

"Amanda" wrote:

I need to count the number of Cells in Column D that are not blank (that
column contains dates) AND has Amanda in Column C in the same row.