Smiling baby in carriage, Washington DC, USA, National Photo Company, 1921. (Photo by: Universal History Archive/Universal Images Group via Getty Images) A theory shared among baby name trend experts suggests that some names spike in popularity every 100 years.Believers of the "100-year rule" say names that have fallen out of public favor get revived every century or so because many parents take notice of names that are no longer common as they try to find their baby a unique moniker, according to a recent report from Nameberry, an online baby name resource, that discussed the topic.Nameberry wrote that expecting parents tend to skip over names that were given to their parents or grandparents because they don’t want to choose a name that sounds dated.TOP BABY NAMES OF 2022 TREND TOWARD COWBOYS, NATURE AND 'COASTAL GRANNY': REPORT"But names from your great-grandparents’ generations hold appeal," Nameberry’s report explained. "Once there aren’t many people with a specific name anymore, it starts to sound fresh and intriguing."The 100-year rule doesn’t include classic names that have dominated baby name charts for decades and centuries, such as James, William and Alice, but some names do appear to decline over time, according to name records kept by the Social Security Administration (SSA).Here’s a look at 10 baby names that were popular for boys and girls each in the U.S.
during the Roaring '20s, their meanings and their respective rank during that decade. Scroll to the bottom to see how these names compare to the top names of 2021 and whether the 100-year rule theory has any truth behind it.Robert is an anglicized German name that means "bright frame," according to Nameberry.