McCaughan made her county debut in 2018, for
Sussex against
Surrey. She played four matches in the
County Championship as her side won Division 2 and were promoted. In 2019, she was Sussex's joint-second leading run-scorer, with 135 runs, in the
County Championship, helping her side to third place. She scored 96 runs for the side in the
2021 Women's Twenty20 Cup, including her
Twenty20 high score of 40
*. In the
2022 Women's Twenty20 Cup, McCaughan was Sussex's leading run-scorer, scoring 189 runs, including her maiden Twenty20 half-century, scoring 52
* against
Kent. She also took four wickets for the side, including 3/6 against
Hampshire. She played four matches for the side in the
2023 Women's Twenty20 Cup. In 2020, McCaughan played for
Southern Vipers in the
Rachael Heyhoe Flint Trophy. She appeared in all seven matches as her side won the tournament, scoring 172 runs at an average of 28.66. She hit her first two half-centuries, scoring 50 against
South East Stars and 63 against
Western Storm, as well as scoring 35 in the final against
Northern Diamonds. McCaughan played ten matches for the side in 2021, with a top score of 41, as the side defended the
Rachael Heyhoe Flint Trophy. She was also in the
Southern Brave squad for
The Hundred, but did not play a match. She played 13 matches for Southern Vipers in 2022, across the
Charlotte Edwards Cup and the
Rachael Heyhoe Flint Trophy, scoring 227 runs. She made her
List A high score against
Lightning, making 72. She was also again in the Southern Brave squad for
The Hundred, but did not play a match. At the end of the 2022 season, it was announced that McCaughan had signed her first professional contract with Southern Vipers. In 2023, she played 20 matches for Southern Vipers, across the
Rachael Heyhoe Flint Trophy and the
Charlotte Edwards Cup, including scoring two half-centuries in the Rachael Heyhoe Flint Trophy. She also played two matches for
Welsh Fire in
The Hundred. In 2024, she played 16 matches for Southern Vipers, across the
Rachael Heyhoe Flint Trophy and the
Charlotte Edwards Cup, scoring one half-century. ==References==