Any last name that you like is a good one! Your characters are yours - you don't have to ask some anonymous person on the internet about them.
Here's a good LINK to a list of last names you might like.
You need to invent your own names if you're going to be a writer. Don't depend on some anonymous person on the internet to invent your characters for you!
Writers who copy ideas from other people can also end up in trouble for plagiarism! If you copy someone's names or ideas, then when you publish your story, they could claim you stole those from them and sue you for part of your money.
I use online name generators for the names of my secondary characters - the main characters. I take my time and choose special names from baby name books!
Mercedes is the girl and Carlos is the dude
"Claire" is typically a girl's name.
It was a girl names named Agelina
One was named Ahyokeh...... She was a girl
Jonas's friends in "The Giver" are named Asher and Fiona. They play significant roles in the story as companions and supporters of Jonas.
And that is the end of the story
ReneeBaeBae
BubblyBecky78
the person telling the story is a girl named jessie...
Eleanor Roosevelt wrote Christmas, a story of St. Nicholas Eve of 1940 and a little girl named Marta.
Because he made up a story about a girl he was with from Canada.
The author of "Because of Winn-Dixie" is Kate DiCamillo. The novel tells the story of a young girl named Opal and her adventures with a dog she names Winn-Dixie.