Here is the full list of all 13 Whiskey.Mafia. Leo's Family achievements.
the player starts the game and does nothing for 5 minutes
find every cat
Catch 5 birds
To graduate school
Fix Vito's Car
Take the gift to your uncle
Meet Frank
Choose an honest job
Choose a gangster life
To steal a car
I brought many gifts to my uncle
Loaded all boxes
the end is just the beginning