o’leary 

O’Leary is the best last name ever, if you have it as your last name you are very sporty, got a lot of money, very nice and if your a boy with O’Leary as your last name you will fine your true love.

Person 1:Wow that family lives in a huge house
Person 2: Yeah, because their last name is O’Leary
Person 1: I wish my last name was O’Leary

o’leary by Timmy Oil May 14, 2018

O'Leary 

Person of Irish decent. Politically active. Drinks and Bullshits. Rarely fights unless fighting the English. Amazing lovers.

That O'Leary kid sure hates the English.

The best lover I ever had went by the name O'Leary

O'Leary is drunk and bullshitting about politics again.

O'Leary by George Scott May 13, 2005

O'Leary 

last name of somebody of irish originity

son of leary

o = son of

examples of the o'leary name ; dermot o'leary, david o'leary etc.

O'Leary by little o'leary June 2, 2009

o'leary 

person of irish descent

ther was a english man, o'leary and a scotish man.....

o'leary by Anonymous August 3, 2003

O'leary 

Bald headed twat

Oi have you seen that bald headed twat o'leary from Salford 😂

O'leary by Mrunknown1 July 31, 2020

O'Leary 

the greatest last name of all time

O'Leary greatest Last name ever

O'Leary by olearys May 29, 2022

O'Leary-ous 

adjective used to describe an extremely devoted fan of the young actor, Matt O'Leary

That girl is so O'Leary-ous one would think she was Matt O'Leary himself.

O'Leary-ous by Robin Dearest September 2, 2008