=== Sæson 2 (2011)===
NBC bestilt en anden sæson af serien den 5. april 2010.<ref name="renewal">{{cite web|url=http://tvbythenumbers.com/2010/04/05/nbc-renews-marriage-ref-minute-to-win-it-and-who-do-you-think-you-are/47405|title=NBC renews "Marriage Ref, "Minute To Win It," and "Who Do You Think You Are?"|last=Seidman|first=Robert|date=5. april 2010|work=TVbytheNumbers|access-date=5. april 2010|archive-date= 6. april 2010|archive-url=https://web.archive.org/web/20100406195339/http://tvbythenumbers.com/2010/04/05/nbc-renews-marriage-ref-minute-to-win-it-and-who-do-you-think-you-are/47405|url-status=dead}}</ref> Den anden sæson af reality-serien begyndte den 4. februar 2011, og bestod af otte episoder. Den første episode var med Vanessa Williams. De efterfølgende episoder var med [[Tim McGraw]], [[Rosie O'Donnell]], [[Kim Cattrall]], [[Lionel Richie]], [[Steve Buscemi]], [[Gwyneth Paltrow]] og [[Ashley Judd]].<ref>[http://www.docstoc.com/docs/66645447/CW---Primetime-Calender-thru-to-March-4-2011 CW - Primetime Calender thru to March 4, 2011<!-- Bot generated title -->]</ref><ref>[http://www.nbc.com/news/2010/12/16/who-do-you-think-you-are-nbc-announces-the-celebrities-tracing-their-family-trees-on-season-two/ NBC.com - 'Who Do You Think You Are?': NBC Announces The Celebrities Tracing Their Family Trees On Season Two<!-- Bot generated title -->]</ref> I stedet for at filme en anden, er Cattralls episode en redigeret version af den oprindelige, som hun lavet til den britiske udgave i 2009.
{| class="wikitable"
! style="background:#B0C4DE"| Episode
! style="background:#B0C4DE"|Visningsdato
! style="background:#B0C4DE"|Person
! style="background:#B0C4DE"|Job
! style="background:#B0C4DE"|Besøgte steder 
|-
|align="center"|  1
|4. februar
| [[Vanessa L. Williams]]
| [[vokalist|Sanger]], [[skuespiller]]
|[[Chappaqua (New York)|Chappaqua, New York]]; [[Oyster Bay|Oyster Bay, Long Island, New York]]; [[Washington D.C.]]; [[Johns Island]] [[South Carolina]]; [[Baltimore|Baltimore, Maryland]]; [[Memphis (Tennessee)|Memphis]], [[Tennessee]]; [[Nashville]], Tennessee
|-
|align="center"|  2
|11. februar
| [[Tim McGraw]]
| [[vokalist|Countrysanger]]
|[[Kansas City (Missouri)|Kansas City]], [[Missouri]]; [[Big Stone Gap]], [[Virginia]]; Rye Cove, Virginia; [[Richmond (Virginia)|Richmond]], Virginia; [[Shenandoah Valley]]; [[Washington D.C.]]; [[New York City|New York City, New York]]; Franklin (Tennessee)
|-
|align="center"|  3
| 18. februar
| [[Rosie O'Donnell]]
| [[Komiker]], [[skuespiller]]
|[[Nyack]], New York; [[Jersey City]], New Jersey; [[New York City|New York City, New York]] ([[Manhattan]] og[[Brooklyn]]); [[Secaucus]], New Jersey; [[Montreal|Montreal, Quebec]]; [[Dublin|Dublin, Irland]]; [[County Wicklow|County Wicklow, Irland]]; [[Newbridge|Newbridge, County Kildare, Irland]]; [[Birr|Birr, County Offaly, Irland]]
|-
|align="center"|  4
|25. februar
| [[Kim Cattrall]]
| [[Musiker]]
|[[Liverpool|Liverpool, England]]; [[Derbyshire|Derbyshire, England]]; [[Durham|Durham, County Durham, England]]; [[Tudhoe|Tudhoe, County Durham, England]]; [[Vancouver|Vancouver, British Columbia, Canada]]
|-
|align="center"|  5
|3. marts
| [[Lionel Richie]]
| [[Musiker]]
|[[Los Angeles|Los Angeles, California]]; [[Tuskegee (Alabama)|Tuskegee, Alabama]]; [[Nashville]], Tennessee; [[Chattanooga]], Tennessee
|-
|align="center"|  6
|25. marts
| [[Steve Buscemi]]
| [[Skuespiller]]
|[[Brooklyn (New York)|Brooklyn, New York]]; [[Harrisburg (Pennsylvania)|Harrisburg, Pennsylvania]]; [[Fredericksburg (Virginia)|Fredericksburg, Virginia]]; [[Camden (New Jersey)|Camden, New Jersey]]
|-
|align="center"|  7
|1. april
| [[Gwyneth Paltrow]]
| [[Skuespiller]]
|[[Manhattan|Manhattan, New York City, New York]]; [[Bridgetown|Bridgetown, Barbados]]
|-
|align="center"|  8
|8. april 
| [[Ashley Judd]]
| [[Skuespiller]], [[filantropi]]st
|[[Louisville (Kentucky)|Louisville, Kentucky]]; [[Frankfort (Kentucky)|Frankfort, Kentucky]]; [[Saltville (Virginia)|Saltville, Virginia]]; [[Boston|Boston, Massachusetts]]; [[York|York, England]]; [[Boston (Lincolnshire)|Boston, Lincolnshire, England]]; [[Cambridge|Cambridge, England]]; [[Plymouth|Plymouth, Devon, England]]
|-
|}
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