| Jillian DeCoursey | |
|---|---|
| Born | July 26, 1984 Queens, New York, U.S.  | 
| Other names | Lionheart | 
| Height | 5 ft 2 in (157 cm) [1] | 
| Weight | 105 lb (48 kg; 7 st 7 lb) | 
| Division | Atomweight | 
| Reach | 63 in (160 cm) | 
| Style | BJJ, Kickboxing | 
| Stance | Orthodox | 
| Fighting out of | Queens, New York, U.S. [1] | 
| Team | Ringsport Muay Thai (2016–present) [2]  [3]  East Coast United (until 2018) [4] Long Island MMA (2018–present) [4]  | 
| Rank | Black belt in Brazilian jiu-jitsu under Gregg DePasquale [5] | 
| Years active | 2017–present | 
| Mixed martial arts record | |
| Total | 10 | 
| Wins | 6 | 
| By knockout | 2 | 
| By submission | 1 | 
| By decision | 3 | 
| Losses | 4 | 
| By decision | 4 | 
| Other information | |
| University |  University of Bridgeport  Hunter College Iona University  | 
| Mixed martial arts record from Sherdog | |
Jillian DeCoursey (born July 26, 1984) is an American mixed martial artist. She currently competes in the atomweight division of the Invicta FC, where she is a former atomweight champion. [2]
As of November 21, 2022, Sherdog ranks DeCoursey as the #4 atomweight in the world. [6]
DeCoursey was born and grew up in Queens, New York, United States. [7] DeCoursey started undergraduate studies at University of Bridgeport and graduated from Hunter College. [7] She started Jiu-Jitsu after she finished competing in collegiate basketball at Hunter College. [7] She later picked up Muay Thai and eventually transitioned to mixed martial arts. [8]
DeCoursey also eventually finished her postgraduate studies at Iona University, earning a master's degree and owns her counselling practice in mental health. [2]
DeCoursey was signed by Invicta after amassing an amateur record of 8–1. [8] She was an IBJJF brown belt medalist. [2] [9]
DeCoursey made her promotional debut on August 31, 2017 at Invicta FC 25: Kunitskaya vs. Pa'aluhi against Ashley Medina. [10] She won the fight via split decision. [11]
Her next fight came on March 24, 2018 at Invicta FC 28: Mizuki vs. Jandiroba against Rebekah Levine. [12] She won the fight via unanimous decision. [13]
On July 21, 2018, DeCoursey faced Alesha Zappitella, replacing Shino VanHoose, [14] at Invicta FC 30: Frey vs. Grusander. [15]
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. [16]
DeCoursey returned to Invicta to face Linda Mihalec at Invicta FC 39: Frey vs. Cummins II. DeCoursey won the fight by unanimous decision. [17]
DeCoursey was scheduled to challenge the reigning Cage Fury FC Strawweight champion Elise Reed at CFFC 91. [18] Reed won the fight by unanimous decision. [19]
DeCoursey was scheduled to participate in a one-night Invicta Phoenix Tournament to determine the next atomweight title challenger. [20] DeCoursey lost the quarterfinal bout against Linda Mihalec by split decision. [21]
DeCoursey faced Lindsey VanZandt on May 11, 2022 at Invicta FC 47. [22] She won the bout after knocking out VanZandt in the first round. [23]
DeCoursey was booked to challenge the reigning Invicta Atomweight champion Jéssica Delboni at Invicta FC 49: Delboni vs. DeCoursey on September 28, 2022. [24] DeCoursey won the fight by a first-round submission. [25]
DeCoursey was scheduled to defend the title against Rayanne dos Santos on May 3, 2023, at Invicta FC 53: DeCoursey vs. Dos Santos. [26] She lost the title fight by unanimous decision. [27] [28]
DeCoursey was invited to compete in the flyweight division of the Combat Jiu-Jitsu world championship on December 20, 2020. [29] She withdrew from the event.
DeCoursey is scheduled to compete in a superfight at Rise Invitational 11 on April 1, 2023 against Chelsea Mapa. [30] Neither woman was able to secure a submission and the match ended in a draw. [31]
| 10 matches | 6 wins | 4 losses | 
| By knockout | 2 | 0 | 
| By submission | 1 | 0 | 
| By decision | 3 | 4 | 
| Res. | Record | Opponent | Method | Event | Date | Round | Time | Location | Notes | 
|---|---|---|---|---|---|---|---|---|---|
| Loss | 6–4 | Rayanne dos Santos | Decision (unanimous) | Invicta FC 53 | May 3, 2023 | 5 | 5:00 | Denver, Colorado, United States | Lost the Invicta FC Atomweight Championship. | 
| Win | 6–3 | Jéssica Delboni | Submission (rear-naked choke) | Invicta FC 49: Delboni vs. DeCoursey | September 28, 2022 | 1 | 4:49 | Hinton, Oklahoma, United States | Won the Invicta FC Atomweight Championship. | 
| Win | 5–3 | Lindsey VanZandt | KO (punch) | Invicta FC 47: Ducote vs. Zappitella | May 11, 2022 | 1 | 1:01 | Kansas City, Kansas, United States | Return to Atomweight. | 
| Loss | 4–3 | Elise Reed | Decision (unanimous) | Cage Fury Fighting Championships 91 | December 18, 2020 | 4 | 5:00 | Lancaster, Pennsylvania, United States | Strawweight debut. For the vacant Cage Fury FC Strawweight Championship. | 
| Win | 4–2 | Linda Mihalec | Decision (unanimous) | Invicta FC 39: Frey vs. Cummins II | February 7, 2020 | 3 | 5:00 | Kansas City, Kansas, United States | |
| Win | 3–2 | Katie Perez | TKO (punches) | Cage Fury Fighting Championships 80 | November 22, 2019 | 3 | 3:00 | Hampton, Virginia, United States | |
| Loss | 2–2 | Kelly D'Angelo | Decision (unanimous) | Invicta FC 35: Bennett vs. Rodriguez II | June 7, 2019 | 3 | 5:00 | Kansas City, Missouri, United States | |
| Loss | 2–1 | Alesha Zappitella | Decision (unanimous) | Invicta FC 30: Frey vs. Grusander | July 21, 2018 | 3 | 5:00 | Kansas City, Missouri, United States | |
| Win | 2–0 | Rebekah Levine | Decision (unanimous) | Invicta FC 28: Mizuki vs. Jandiroba | March 24, 2018 | 3 | 5:00 | Salt Lake City, Utah, United States | |
| Win | 1–0 | Ashley Medina | Decision (split) | Invicta FC 25: Kunitskaya vs. Pa'aluhi | August 31, 2017 | 3 | 5:00 | Lemoore, California, United States | Atomweight debut. |