Scotlands People has the following:
There is a marriage in Dundee 7 July 1801 for a John Grant to and Anne McLeod
There are these baptisms:
1797 George Grant in Alness, son of John Grant and Anny McLeod
1800 Margt Grant in Alness, daughter of John Grant and Anny McLeod
1803 unnamed Grant in Alness, child of John Grant and Anne McLeod
1808 William Grant in Kilmuir Easter, son of John Grant and Anne McLeod