American Eagle's Sydney Sweeney campaign launched on July 23 with the tagline Sydney Sweeney Has Great Jeans, drew the kind of accusations of eugenic visual cueing that no apparel brand wants attached to a fall denim push, and by yesterday morning had cost American Eagle nine percent of its weekly foot traffic according to placer.ai's anonymized retail data. The controversy will probably wind down by Labor Day. The naming question it raises will not.
Where Sydney sits right now
Sydney peaked in the year 2000 at number twenty-three on the girls' SSA chart, which is to say it was as popular as Olivia is now. The name then began a slow but steady decline, falling to the lower 100s by 2015 and into the upper 200s by 2024. The decline was not driven by any single cultural event — it was driven by the slow obsolescence of the broader register that Sydney belongs to. The 1990s were the peak of place-name girls' naming: Sydney, Brittany, Madison, Mackenzie, McKenzie, Cheyenne, Savannah. By 2010, that register felt dated, and the names within it began the long migration off the chart.
What's interesting is that Sydney has been declining at roughly the historical rate for fifteen years. There is no acute decline, no crash; just a gradual sigh out of the upper ranks. The American Eagle campaign is not going to invent a new decline. It is going to potentially accelerate the existing one, and the cleanest framing for what happens next is something I want to call the name tax.
What a name tax looks like
The name tax is the difference between the trajectory a name would have followed without a cultural event and the trajectory it actually follows after the event. It is, importantly, not a collapse — Sydney is not going to disappear from the chart, and parents who pick Sydney in 2026 are not going to be making a meaningful statement either way. The tax shows up in two specific places. First, it accelerates the existing decline by some percentage — typically 15 to 40 percent of the year-over-year decline rate. Second, it shifts the demographic profile of the parents still picking the name, often toward older parents and toward regions less exposed to the cultural reference.
The Madison parallel is useful here. Madison rose to prominence with Splash in 1984 and was a top-3 girls' name from 2001 through 2011. The decline began in 2012, around the time the name had become so associated with a specific demographic of millennial mothers that the next generation of parents felt it had been claimed. Madison has lost approximately 49 percent of its peak popularity in the thirteen years since. Some of that decline is the name's own age, but a meaningful portion is the cultural tag that accumulated around it.
The American Eagle campaign as a stress test
The American Eagle campaign is interesting because it is the first major Sydney-related cultural event in years that has been actively contested in public discourse, rather than passively absorbed. Sydney Sweeney has been a recognizable celebrity for several years; her presence in advertising and in popular culture has been ambient. The denim campaign, by accident or design, made the name briefly a topic of explicit debate, with the name itself appearing in op-eds and social media posts as a referent for the controversy.
Names that get talked about during contested news cycles tend to acquire a small but durable shadow. Britney lost ninety-three percent of its peak popularity over the twenty years following Britney Spears's first round of tabloid scrutiny in the early 2000s. Some of that was the name's age, some of it was the broader collapse of the spelling register the name belonged to (Brittany, Britny, Brittney). But a meaningful portion was the cultural shadow — the name became hard to pick without making a reference, and most parents do not want to make references when they are choosing a baby's name.
What the 2026 numbers will probably show
I'd predict that Sydney's 2025 SSA position falls roughly 15 to 25 places below where it would have fallen on the historical decline rate alone. That's a small move on a name in the 200s, and it will be hard to distinguish from random variation without two years of follow-up data. By 2027 SSA, if the campaign's cultural footprint has faded, I'd expect Sydney to resume its baseline decline rate. If the campaign has not faded — if it has become, for some reason, a longer-term cultural tag — then Sydney will continue to lose extra places per year for the next three to four years before re-stabilizing in the lower 400s.
The cleaner thing to watch is the demographic shift. SSA does not publish parent demographics, but state-level data is public, and a name acquiring a tax often shifts geographically toward states with lower exposure to the relevant cultural cycle. Sydney has historically been most popular in California, Texas, Florida, and New York. If those states show steeper Sydney declines in 2026 than the rest of the country does, that's evidence the tax is real. If the decline is uniform, the tax is small and probably not significant.
What this is not
I am not arguing that the American Eagle campaign will ruin the name Sydney. The name has too much weight, too much momentum, and too long a history to be ruined by a denim ad. I am arguing that the campaign is the kind of event that generates a small additional decline on top of an existing trajectory, and that this small additional decline is a useful object of study because it lets us see, in real time, how a cultural moment translates into a naming consequence.
I am also not arguing that Sydney Sweeney is responsible for any of this. Celebrities very rarely have a one-to-one effect on the names they share, in either direction. The cultural mechanism that produces the name tax is impersonal — it operates on the collective decisions of millions of parents who have only the faintest awareness of why a particular name feels suddenly less appealing than it did six months ago. The parents picking baby names in 2026 will not be thinking about American Eagle. They will be thinking about whether the name Sydney still feels like a name they want to assign to their daughter, and the answer will, on average, be slightly less yes than it would have been without this summer's news cycle.
Why I find the name tax interesting
The reason I keep thinking about the name tax framing, beyond Sydney specifically, is that it gives us a way to talk about the small, slow effects that culture has on naming without resorting to the language of collapse or crisis. Most names are not killed by news cycles. Most are nudged. The nudge is usually too small to see in a single year of SSA data. But over five or ten years of nudges, the cumulative effect is visible, and the names that have been nudged hardest are the ones that fell furthest below their predicted trajectory.
Sydney is going to be nudged this summer. The 2025 birth cohort is in utero right now. Some non-trivial percentage of those parents who would have picked Sydney are going to pick something else. The numbers will be small. The trajectory will be a few places steeper than it would otherwise have been. And in 2027, when SSA publishes the cohort data, we'll be able to look back and measure exactly how much it cost.
Data source: U.S. Social Security Administration. Analysis by NamesPop.
Found this helpful?
Share it with someone who’s picking a name.