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Jillian DeCoursey

Jillian DeCoursey (born July 26, 1984) is an American former mixed martial artist. She competed in the atomweight division of the Invicta FC, where she is a former atomweight champion.

As of November 21, 2022, Sherdog ranks DeCoursey as the #4 atomweight in the world.

Background

DeCoursey was born and grew up in Queens, New York, United States. DeCoursey started undergraduate studies at University of Bridgeport and graduated from Hunter College. She started Jiu-Jitsu after she finished competing in collegiate basketball at Hunter College. She later picked up Muay Thai and eventually transitioned to mixed martial arts.

DeCoursey also eventually finished her postgraduate studies at Iona University, earning a master's degree and owns her counselling practice in mental health.

Mixed martial arts career

Early career

DeCoursey was signed by Invicta after amassing an amateur record of 8–1. She was an IBJJF brown belt medalist.

Invicta Fighting Championships

DeCoursey made her promotional debut on August 31, 2017 at against Ashley Medina. She won the fight via split decision.

Her next fight came on March 24, 2018 at against Rebekah Levine. She won the fight via unanimous decision.

On July 21, 2018, DeCoursey faced Alesha Zappitella, replacing Shino VanHoose, at .

For her next fight, DeCoursey fought outside of Invicta, being scheduled to face Katie Perez at CFFC 80. She won the fight by a third-round technical knockout.

DeCoursey returned to Invicta to face Linda Mihalec at . DeCoursey won the fight by unanimous decision.

DeCoursey was scheduled to challenge the reigning Cage Fury FC Strawweight champion Elise Reed at CFFC 91. Reed won the fight by unanimous decision.

DeCoursey was scheduled to participate in a one-night to determine the next atomweight title challenger. DeCoursey lost the quarterfinal bout against Linda Mihalec by split decision.

DeCoursey faced Lindsey VanZandt on May 11, 2022 at . She won the bout after knocking out VanZandt in the first round.

Invicta FC Atomweight Champion

DeCoursey was booked to challenge the reigning Invicta Atomweight champion Jéssica Delboni at on September 28, 2022. DeCoursey won the fight by a first-round submission.

DeCoursey was scheduled to defend the title against Rayanne dos Santos on May 3, 2023, at . She lost the title fight by unanimous decision.

On January 22, 2026, DeCoursey announced her retirement from MMA completion.

Professional grappling career

DeCoursey was invited to compete in the flyweight division of the Combat Jiu-Jitsu world championship on December 20, 2020. She withdrew from the event.

DeCoursey is scheduled to compete in a superfight at Rise Invitational 11 on April 1, 2023 against Chelsea Mapa. Neither woman was able to secure a submission and the match ended in a draw.

Championships and accomplishments

Mixed martial arts

Mixed martial arts record

|- |Loss |align=center| 6–4 |Rayanne dos Santos |Decision (unanimous) | | |align=center|5 |align=center|5:00 |Denver, Colorado, United States | |- |Win |align=center| 6–3 |Jéssica Delboni |Submission (rear-naked choke) | | |align=center|1 |align=center|4:49 |Hinton, Oklahoma, United States | |- |Win |align=center| 5–3 |Lindsey VanZandt |KO (punch) | | |align=center|1 |align=center|1:01 |Kansas City, Kansas, United States | |- | Loss | align=center| 4–3 | Elise Reed | Decision (unanimous) | Cage Fury FC 91 | | align=center| 4 | align=center|5:00 | Lancaster, Pennsylvania, United States | |- | Win | align=center| 4–2 | Linda Mihalec | Decision (unanimous) | | | align=center| 3 | align=center|5:00 | Kansas City, Kansas, United States | |- | Win | align=center| 3–2 | Katie Perez | TKO (punches) | Cage Fury FC 80 | | align=center| 3 | align=center| 3:00 | Hampton, Virginia, United States | |- | Loss | align=center| 2–2 | Kelly D'Angelo | Decision (unanimous) | | | align=center| 3 | align=center|5:00 | Kansas City, Missouri, United States | |- | Loss | align=center| 2–1 | Alesha Zappitella | Decision (unanimous) | | | align=center| 3 | align=center|5:00 | Kansas City, Missouri, United States | |- | Win | align=center| 2–0 | Rebekah Levine | Decision (unanimous) | | | align=center| 3 | align=center|5:00 | Salt Lake City, Utah, United States | |- | Win | align=center| 1–0 | Ashley Medina | Decision (split) | | | align=center| 3 | align=center|5:00 | Lemoore, California, United States | |-

See also

References

External links