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Religion continued to have a big influence on baby names, but with a twist.

“The traditional biblical names were New Testament names — John, James and Mary and Elizabeth,” Ms. Wattenberg said. “Today, the hot names are all names from the Old Testament precisely because they were neglected for so many generations.”

In addition to Jacob and Noah, Elijah at No. 13 and Joshua at No. 14 were all from the Old Testament.

Among the names that fell in popularity, Brisa dropped more spots than any other — 343 places, to No. 807. Dana, Desiree and Denise also plummeted.

Brett dropped more than any other name for boys, 119 spots, to No. 508. Jamarion, Shaun and Jaydon also dropped.

Social Security counts names with different spellings separately. For example, Aiden was No. 9 among boys, while Aidan was No. 107 and Aaden was No. 797. Among the girls, Sophia was No. 1 while Sofia was No. 19. Sophie was No. 51. Zoey was No. 29 and Zoe was No. 31.

Elvis returned to the list at No. 904 after dropping off for a year. When Elvis dropped off the in 2010, it ended a run that had started in 1955.

Mr. Astrue, a big Elvis fan, said he was all shook up when Elvis left the list.

“Congress may not listen to me,” Mr. Astrue said, “but God bless the American people for listening to me last year when I raised concerns about Elvis dropping off.”

Were they listening to him when they named their daughters after the star of “Jerseylicious”?

“I don’t even know what that show’s about,” Mr. Astrue said.