Possible Clues:

• Freedom to choose car, picked up on yacht
• Excluded boundaries of County Mayo in reorganisation for self-rule
• Car number of setter, usually less than the day of 24
• Self-determination
• Independence or self-government, even unto Mayo
• Using car, number may lose a form of self-control
• This gives the power to the weight - Goodness me! - at last
• There's nothing in the aunt - Deary me! - to enable her to look after herself
• A university man accepting award for independence
• Independence, freedom to govern