1. Take your niche into consideration.Somewhere in your title, you want to say what your blog is all about.
2. Come up with a catchy name.You want to convey information with your name, as well as hooking the reader into clicking on your blog and reading your posts.
Elvish Pens, Fantastical Writings - The words "Pens" and "Writings" say that this is a writing blog. "Elvish" says I like elves and fantasy (and more subtly states that I am a huge LOTR nerd). "Fantastical" says I like to write fantasy/sci-fi/weird genres.
A Writer's Faith - From this name, you can clearly see that this is a writing blog, written by someone whose faith is very important to them.
The Art of Writing for Him - a writing blog by someone who has dedicated her writing to the Lord.
Pencils Can Change the World - a writing and/or drawing blog written by someone who believes the things you create can change the world.In coming up with a catchy name, ask yourself
"What is important to me?"