Most Common Last Names in the US (2026 Data)
Smith. Johnson. Williams. Brown. Jones. These five surnames have topped the list of the most common last names in America for over three decades, and their staying power says something interesting about immigration, history, and how family names spread across generations. Here is a full breakdown of the most common last names in the US, based on official Census Bureau data.
Quick Answer
According to the US Census Bureau’s 2020 Census surname data, the most common last name in the United States is Smith, followed by Johnson, Williams, Brown, and Jones. Together, the top five surnames alone account for millions of Americans, and the broader top 10 also includes Garcia, Miller, Rodriguez, Davis, and Martinez.
The Top 10 Most Common Last Names in America
Based on the Census Bureau’s most recent surname release, here is how the top 10 breaks down along with an estimate of how many people carry each name.
| Rank | Last Name | Estimated Number of People |
|---|---|---|
| 1 | Smith | Approximately 2.4 million |
| 2 | Johnson | Approximately 1.9 million |
| 3 | Williams | Approximately 1.6 million |
| 4 | Brown | Approximately 1.4 million |
| 5 | Jones | Approximately 1.4 million |
| 6 | Garcia | Approximately 1.1 million |
| 7 | Miller | Approximately 1.1 million |
| 8 | Rodriguez | Approximately 1.1 million |
| 9 | Davis | Approximately 1.1 million |
| 10 | Martinez | Approximately 1 million |
These figures come from the Census Bureau’s decennial surname frequency tables, which count how many times each last name was reported nationwide. The numbers are self-reported and adjusted using statistical methods to protect individual privacy for less common names, so treat them as close estimates rather than exact head counts.
What Changed Since the Last Census
The overall top five has stayed remarkably stable. Smith, Johnson, Williams, Brown, and Jones held the same order in the 2000, 2010, and 2020 Census counts, a streak of more than twenty years without any shuffling at the very top.
The most notable shift happened just below that. Rodriguez climbed past Davis to take the eighth spot in the most recent count, reflecting a broader pattern of Hispanic surnames rising through the national rankings. Names like Hernandez, Lopez, and Gonzalez have also moved up significantly compared to earlier decades, driven largely by demographic growth rather than any single event.
Looking further down the list, Asian surnames have climbed the fastest of any group. Nguyen now ranks among the top 40 last names nationally, a dramatic rise for a name that barely registered in Census counts a few generations ago. Kim and Patel have also entered the broader top 100, reflecting long term immigration trends rather than a short term spike.
Why These Names Became So Common
Surname frequency is not random. A handful of historical patterns explain why certain last names dominate the list.
Occupational origins spread naturally. Smith comes from blacksmith, one of the most essential trades in medieval Europe, which existed in nearly every town and village. Because so many unrelated families independently took on this occupational name, it multiplied far beyond what a single family line could produce.
Patronymic naming created built in duplication. Johnson literally means son of John, and since John was one of the most common first names for centuries, an enormous number of unrelated families ended up with the same last name simply by following this naming pattern. The same logic explains Williams, Jackson, and Anderson.
Colonial era immigration concentrated certain names early. Many of today’s most common surnames were already common among English settlers in the 1700s, and those names simply scaled up as the population grew over the following centuries. Eight of the current top 15 last names were already present in the top 15 during the very first US Census in 1790.
Later immigration waves added new dominant names. Garcia, Rodriguez, and Martinez rose sharply as Hispanic and Latino population growth accelerated over the twentieth and twenty first centuries, while Nguyen and other Vietnamese surnames grew alongside more recent immigration patterns.
Common Last Names by Regional and Cultural Background
Not every common last name spreads evenly across the country. Census data shows clear patterns in how certain surnames cluster by self-reported race and ethnicity.
- Garcia is reported as predominantly Hispanic by the vast majority of people who carry it
- Washington is one of the most distinctly identified surnames among Black Americans
- Smith, Johnson, and Williams appear across nearly every demographic group, which is part of why they remain so dominant overall
- Nguyen, Kim, and Patel represent the fastest growing Asian surnames in the national rankings
This clustering reflects historical settlement patterns, immigration waves, and in some cases the history of naming practices imposed during slavery in the United States, which explains why certain English surnames became widespread among Black American families.
How Rare Is Your Last Name By Comparison
For context, the 100 most common surnames in the US are shared by roughly one in six Americans, while the remaining population is spread across more than 160,000 distinct family names. That means most people in the country do not carry one of the truly dominant surnames, even though a small handful of names get disproportionate attention.
If your last name does not appear anywhere near this list, that is actually the statistical norm rather than the exception. The list of common names looks so familiar precisely because a small number of surnames are shared by a large number of people, while the majority of surnames are held by comparatively few.
Final Thoughts
The most common last names in America tell a story that stretches back centuries, from medieval trade names to colonial settlement patterns to more recent waves of immigration. While Smith, Johnson, and Williams remain firmly at the top, the names climbing the list fastest reveal just how much the country’s population has shifted in the last few decades, and that shift shows no sign of slowing down.
Frequently Asked Questions
Smith is the most common last name in the US, according to the Census Bureau’s surname data, with an estimated 2.4 million people sharing it.
Smith has held the top spot through every modern Census count, and historical records suggest it has likely been the most common surname in English speaking populations for centuries.
Population growth among Hispanic and Latino communities over recent decades has pushed names like Garcia, Rodriguez, and Martinez steadily higher in the national rankings.
No. Census surname data is based on self-reported responses and includes statistical adjustments to protect privacy for less common names, so figures are best treated as close estimates.
You can search any last name directly using our name frequency tool to get an estimate based on the same Census data referenced in this article.
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