The offences happened on dates between May 5 2018 and July 26, 2019, Letterkenny District Court was told.
In all cases, fixed charge penalty notices were issued and were unpaid.
Amy Hegarty-McDaid (20) of Amelia Court, Derry was driving a red Audi at a speed of 126km/h in a 100km/h zone at Rossbracken on July 26, 2019
Judge Paul Kelly imposed a fine of €200 and Hegarty-McDaid was given a period of two months to pay.
Ciaran Dalton, with an address in Derry, was detected driving a Ford Focus at a speed of 124km/h in a 100km/h zone.
Dalton was fined €200 and given two months to pay.
Graham Valentine, with an address in Ballymagorry, Strabane, was stopped in a Citroeon van after being detected traveling at 126km/h in a 100km/h zone at Trimeragh on May 5, 2019.
A fine of €200 was imposed and Valentine given two months to pay.
Kevin McKeough, with an address in Dundrod, was detected driving a grey Audi A5 at 133km/h in a 100km/h zone at Rossbracken, on July 27, 2019.
Judge Kelly fined McKeough €250 and gave him two months to pay,
Alan Reid, with an address in Larne, was caught driving at 121km/h in a 100km/h zone at Rossbracken on July 26, 2019.
Reid was fined €250 and give two months to pay.