Popularity today: #1
Style: Biblical, Timeless
Nicknames: Jake, Jay, Jaco, Cub
Variants: Jakob, Yakov
Sisters: Emily, Hannah, Victoria, Abigail, Sarah
Brothers: Isaac, Zachary, Caleb, Nathan, Alexander
This is the name that unseated Michael from its longtime perch as America's favorite boy's name. Jacob has it all: Old Testament origins, turn-of-the-century style, the popular j, ay and k sounds, and strong nicknames. The playgrounds are now crammed with Jakes, but the name should be enough of a classic to weather the popularity storm.