Mary L. Landrieu
Photo: Government Publishing Office, Public domain
DemocratNot in office · last served 2015Last on a ballot: Dec 2014

Mary L. Landrieu

Last held office: U.S. Senate, Louisiana (1997–2015). Ran in 7 elections between 1995 and 2014, winning 4.

Last office: U.S. Senate, LouisianaBorn 1955

Last margin
−4.3
Lost 2014
Elections
7
1995–2014

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Nov 7, 2026, 3:00 PM ET

Career

Offices held, and every time Landrieu was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.

Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Every race Landrieu has run

Baseline: how the seat voted for president in the same or nearest year. Running ahead of it means Landrieu won voters the party’s presidential nominee did not; primaries have no baseline.

YearOfficeStageResultOpponentsShareMarginRaisedBaselineAgainst baseline
2014U.S. Senate, LouisianaRunoffLostBill Cassidy (R)44.1%−11.9—R+17.5+5.6
2014U.S. Senate, LouisianaGeneralLostBill Cassidy (R), Rob Maness (R), Thomas Clements (R)44.3%R+4.3$16.2MR+17.5+13.2
2008U.S. Senate, LouisianaGeneralWonJohn Kennedy (R), Richard Fontanesi (L), Jay Patel (I)52.1%D+6.4$9.2MR+18.9+25.3
2002U.S. Senate, LouisianaRunoffWonSuzanne Haik Terrell (R)51.7%+3.4—R+7.9+11.3
2002U.S. Senate, LouisianaGeneralWonSuzanne Haik Terrell (R), John Cooksey (R), Tony Perkins (R)48.8%D+11.1$7MR+7.9+19.0
1996U.S. Senate, LouisianaGeneralWonLouis "woody" Jenkins (R)50.2%D+0.3$3MD+13.1−12.8
1995Governor of LouisianaGeneralLostMike Foster (R), Cleo Fields (D), Buddy Roemer (R)18.5%R+7.7—D+5.3−13.0

Source: 99chambers results archive

Campaign money, 2013–14

Raised
$16.2M
Spent
$18.6M
Cash
$62.6K

Source: FEC filings through Dec 31, 2014Updated Oct 8, 2026, 10:36 AM ET

Seats Landrieu has held

Source: 99chambers results archive

Who Landrieu has run against

Source: 99chambers results archive

In the polls

Included in 8 polls; Landrieu’s best result was 54% (U.S. Senate in Louisiana, 2008).

Landrieu’s polls in the database →

Source: Polls: The New York Times and Wikipedia poll lists

How we know Landrieu

One person, matched across every source we use.

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Nov 7, 2026, 3:00 PM ET