This text comes from The Scottish Minstrel (First Series), a historical songbook transcribed on Wikisource and reproduced from the pinned revision linked below.
I hae wander'd mony a night in June
Along the banks of Clyde,
Beneath a bright and bonnie moon,
Wi' Mary at my side;
As summer was she to mine e'e,
And to my heart a joy,
And weel she lo'ed to roam wi' me,
Her Highland minstrel boy.
Oh, her presence could on every star
New brilliancy confer;
And I thought the flowers were sweeter far
When they were seen with her.
Her brow was calm as sleeping sea,
Her glance was full o' joy.
And oh, her heart was true to me,
Her Highland minstrel boy.
I hae play'd to ladies fair and gay,
In mony a southron hall;
But there was one far, far away,
A world above them all.
And now, tho' weary years have fled,
I think wi' mournful joy,
Upon the time when Mary wed
Her Highland minstrel boy.