Vaughan started as an under-14 player for Raith Rovers, progressing up the age groups and breaking into the under-19 team.
[2] On 4 January 2017, Vaughan signed a one-year contract extension with Raith, and on the same date joined fellow Scottish Championship side Dumbarton on loan until the end of the 2016–17 season.
[3] He scored his first goal for he Sons with a solo effort in a 2–2 away draw with Falkirk in February 2017.
[4] He scored his fourth goal for the club against Dundee United in a 2–2 draw on 29 April 2017, a result that almost guaranteed Dumbarton's safety with one match to spare.
[5] On 19 January 2019, Vaughan scored a second half hat-trick in a 3–0 win over Dunfermline Athletic in the Scottish Cup – his first professional career hat trick.