Is the title a necessary ? Yes it's neccessary, it lets the reader know what the topic of the note is. If there is a title people are able to decide if they want to read the note.

So let me introduce myself,
My name is Kelly, I'm 15 years old. I'm French Caribean (West Indies) most exactly specifically from Martinique. I'm so proud of my island, even if we are not the biggest or one the famous island; the most knowing well known in the world, I don't know, I love it. I always ask myself if as little as we are, does are there are people who interest themselves too are interested in us. I'd like to know if we are an Envy's interesting subject. Are there people who want to come in Martinique like they want to come in Hawaii or ...
I lost myself in my presentation .. I'll finish later..