Rhianna Mae Southby was born on 16th October 2000 and is a right-handed wicket-keeper and batter.
She made her county debut for Surrey in 2016 aged just 15 years old, and featured four times as Surrey were promoted to Division One of the T20 County Championship.
In 2018, she was called up to the Surrey Stars in the KIA Super League, and she debuted against Yorkshire Diamonds in the same year before going on to win the KSL twice, in 2018 and 2019.
She then debuted for South East Stars and played all six matches in the 2020 Rachael Heyhoe Flint Trophy, scoring 32 runs and taking one catch and three stumpings.
In 2021, Southby was part of the South East Stars and Oval Invincible squads that won the Charlotte Edwards Cup and Hundred respectively.
In the same year, she scored 124 runs with a high score of 32, along with three catches and stumpings apiece.
In 2022, Southby recorded her first county half-century when she scored exactly 50 for Surrey against Hampshire, before racking up another fifty against Western Storm in the Rachael Heyhoe Flint Trophy.
In November 2022, Southby joined Southern Vipers on a permanent deal from South East Stars, and is one of two wicket-keepers in the squad alongside Chloe Hill. Both players were awarded their first professional contracts with the Vipers in April 2023, and she made her debut for the Club in April 2023 against Sunrisers at the Utilita Bowl.
By the end of the season, Southby had gained a reputation as one of the best wicket keepers on the domestic circuit, with 15 dismissals in 14 Rachael Heyhoe Flint Trophy matches, as the Vipers completed a historic double of winning both domestic trophies.
Signed up by Southern Brave in the Hundred, Southby soon held the record for the most dismissals by a keeper in a women’s Hundred match, as she claimed two catches and two stumpings against Northern Superchargers at the Utilita Bowl as the Brave won by five wickets and helped the team lift the trophy for the first time at Lord’s.
She was selected for England A tours of India and New Zealand where she further impressed with her glovework, with two catches and a whopping seven stumpings across eight matches, with a high score of 45 to boot.
In the 2024 Charlotte Edwards Cup, Southby equalled the record for the most stumpings in a game with three, all coming off the bowling of Charli Knott.
Her highest score for the Southern Vipers came in August, making 36 in back-to-back games against The Blaze and Central Sparks, featuring as an opening batter for the first time.
Southby took to the new role well, ending the season strongly and scoring 106 runs in the final five matches of the RHFT to complete the season with a total of 224 runs from 24 matches. She also finished with 11 stumpings and 12 catches with the gloves.
Playing in the Kookaburra Women's Premier for the second time with Box Hill, Southby excelled batting at number four. She scored five half-centuries in ten appearances making 388 runs, with the highlight an unbeaten 60 from 82 balls to steer the side home by six wickets.
