Fenby made her county debut in 2013, for
Durham against
Lancashire. Fenby was quickly successful for the side, and was the joint-leading wicket-taker for Durham in both the
2015 and
2016 County Championships, with 13 wickets in both seasons. In 2015, Fenby took two four-wicket hauls, including her
List A best bowling figures of 4/11 against
Scotland. In 2018, Fenby was again Durham's
County Championship joint-leading wicket-taker, again with 13 wickets. In 2020, Durham merged with
Northumberland to form the
North East Warriors. Although the side did not play any competitive matches that season due to the
COVID-19 pandemic, Fenby
captained the side in two friendlies against
Scotland in 2020. In 2021, she played five matches for the side in the
Twenty20 Cup, taking two wickets. Fenby also played for
Yorkshire Diamonds in the
Women's Cricket Super League in 2018 and 2019. She played 12 matches across the two seasons, taking 6 wickets, including her
Twenty20 best bowling figures of 4/20 in a match against
Surrey Stars in
2019. In 2020, Fenby played for
Northern Diamonds in the
Rachael Heyhoe Flint Trophy. She appeared in two matches, but did not take a wicket. She again played two matches for the side in 2021. Fenby was also in the
Northern Superchargers squad for
The Hundred, but did not play a match. ==References==