Michael
Just apply a named range to your data and make the formula use that named range. You can even make the name dynamic so that it will expand and contract as data is added/taken away from your list:
<b>Excel 2010</b><table cellpadding="2.5px" rules="all" style=";background-color: #FFFFFF;border: 1px solid;border-collapse: collapse; border-color: #BBB"><colgroup><col width="25px" style="background-color: #DAE7F5" /><col /><col /></colgroup><thead><tr style=" background-color: #DAE7F5;text-align: center;color: #161120"><th></th><th>A</th><th>B</th></tr></thead><tbody><tr ><td style="color: #161120;text-align: center;">1</td><td style=";">Name</td><td style=";">Unique Sorted List</td></tr><tr ><td style="color: #161120;text-align: center;">2</td><td style=";">Kay</td><td style=";">Jay</td></tr><tr ><td style="color: #161120;text-align: center;">3</td><td style=";">Roy</td><td style=";">Kay</td></tr><tr ><td style="color: #161120;text-align: center;">4</td><td style=";">Jay</td><td style=";">Pete</td></tr><tr ><td style="color: #161120;text-align: center;">5</td><td style=";">Kay</td><td style=";">Roy</td></tr><tr ><td style="color: #161120;text-align: center;">6</td><td style=";">Pete</td><td style=";">Tom</td></tr><tr ><td style="color: #161120;text-align: center;">7</td><td style=";">Roy</td><td style="text-align: right;;">#N/A</td></tr><tr ><td style="color: #161120;text-align: center;">8</td><td style=";">Kay</td><td style="text-align: right;;">#N/A</td></tr><tr ><td style="color: #161120;text-align: center;">9</td><td style=";">Tom</td><td style="text-align: right;;"></td></tr></tbody></table><p style="width:3.6em;font-weight:bold;margin:0;padding:0.2em 0.6em 0.2em 0.5em;border: 1px solid #BBB;border-top:none;text-align: center;background-color: #DAE7F5;color: #161120">Sheet3</p><br /><br /><table width="85%" cellpadding="2.5px" rules="all" style=";border: 2px solid black;border-collapse:collapse;padding: 0.4em;background-color: #FFFFFF" ><tr><td style="padding:6px" ><b>Array Formulas</b><table cellpadding="2.5px" width="100%" rules="all" style="border: 1px solid;text-align:center;background-color: #FFFFFF;border-collapse: collapse; border-color: #BBB"><thead><tr style=" background-color: #DAE7F5;color: #161120"><th width="10px">Cell</th><th style="text-align:left;padding-left:5px;">Formula</th></tr></thead><tbody><tr><th width="10px" style=" background-color: #DAE7F5;color: #161120">B2</th><td style="text-align:left">=INDEX(<font color="Blue">myData,MATCH(<font color="Red">0,COUNTIF(<font color="Green">myData,"<"&myData</font>)-SUM(<font color="Green">COUNTIF(<font color="Purple">myData,"="&B$1:B1</font>)</font>),0</font>)</font>)</td></tr></tbody></table><b>Entered with Ctrl+Shift+Enter.</b> If entered correctly, Excel will surround with curly braces {}.
<b>Note: Do not try and enter the {} manually yourself</b></td></tr></table><br /><table width="85%" cellpadding="2.5px" rules="all" style=";border: 2px solid black;border-collapse:collapse;padding: 0.4em;background-color: #FFFFFF" ><tr><td style="padding:6px" ><b>Workbook Defined Names</b><table cellpadding="2.5px" width="100%" rules="all" style="border: 1px solid;text-align:center;background-color: #FFFFFF;border-collapse: collapse; border-color: #BBB"><thead><tr style=" background-color: #DAE7F5;color: #161120"><th width="10px">Name</th><th style="text-align:left">Refers To</th></tr></thead><tbody><tr><th width="10px" style=" background-color: #DAE7F5;color: #161120">myData</th><td style="text-align:left">=Sheet3!$A$2:INDEX(<font color="Blue">Sheet3!$A:$A,MATCH(<font color="Red">"zzzz",Sheet3!$A:$A,1</font>)</font>)</td></tr></tbody></table></td></tr></table><br />