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With A1:A15 containing the pattern you described (Name, Address, City)
I'll use a helper column to make the example a bit more understandable
This regular formula begins the list of row references that begin sections
D1: =(ROW()-1)*3+1
copy that formula down as far as you need
...the list will be: 1, 4, 7, 10, 13
This regular formula begins the list of section items
E1: =INDEX($A:$A,$D1+COLUMNS($E:E)-1)
Copy that formula across through G1 and down as far as you need
Is that something you can work with?