WE ALL know someone who could do with being brought down a peg or two, as well as those who need a bit of a confidence boost.
And now a list of Irish names, male and female, have been released showing just who's most likely to fall under which category.
Scroll down to see of your names made and of the top 10 lists...
Irish dating site elitesingles.ie has analysed data from a sample of 20,000 single Irish people to reveal who has the highest opinions of themselves based on how people ranked their own intelligence, sexiness, faithfulness, attractiveness and sense of humour.
Here are the results!
Most egotistical: Top 10 male names
1. Declan
2. Frank
3. Conor
4. Brendan
5. Richard
6. Liam
7. Kevin
8. Peter
9. Pat
10. Dave
Most egotistical: Top 10 female names
1. Patricia
2. Susan
3. Paula
4. Angela
5. Yvonne
6. Joanne
7. Ruth
8. Deidre
9. Fiona
10. Clare
Of course, we can’t all be such narcissists. The study also revealed the names of those who are most lacking in confidence.
The 10 least self-assured male names:
1. Jamie
2. Ger
3. Johnny
4. Tommy
5. Damien
6. Adam
7. Paddy
8. Jimmy
9. Matthew
10. Mick
The 10 least self-assured female names:
1. Rebecca
2. Alice
3. Jackie
4. Olivia
5. Amanda
6. Liz
7. Katie
8. Jen
9. Suzanne
10. Lauren