How Many People Are Named Sullivan?

Curious about how common the name Sullivan is? Our tool provides a statistical estimate of how many people in the United States share this name, along with an easy-to-understand breakdown of its popularity and rarity.

Estimated Count 15,914
Popularity Level Very Rare
Probability 1 in 20,736 people

What Does This Mean?

Based on aggregated statistical analysis, approximately 15,914 people in the United States are estimated to share the name Sullivan.

To make this easier to understand, this means that about 1 out of every 20,736 people has this name.

This classification places Sullivan in the Very Rare category compared to other names nationwide.

How This Name Tool Works

Our system analyzes large-scale name frequency patterns and applies statistical modeling to estimate how often a name appears within the U.S. population.

When you search for a name, the tool processes aggregated historical patterns and probability calculations to deliver a clear and privacy-friendly estimate — without accessing private records or personal data.

All results shown are estimates and should be interpreted as statistical approximations, not exact counts.

Detailed Statistics for Sullivan

Name Rarity and Probability

Rarity: Very Rare

Probability: 1 in 20,736 people

Total Count

15,914

Top 25%

Gender Distribution

Male: 14,546
Female: 1,368

Predicted Gender

Male

Age Information

Average Age: 15

  • Young (<30) 14,599
  • Adult (30–60) 542
  • Old (>60) 773

Additional Characteristics

Same Character %: 25.0%

Starts with "A" %: 0.0%

Year-Wise Usages

State-Wise Usages

  • Alaska 7
  • Alabama 152
  • Arkansas 88
  • Arizona 126
  • California 649
  • Colorado 348
  • Connecticut 46
  • Florida 320
  • Georgia 371
  • Iowa 347
  • Idaho 67
  • Illinois 455
  • Indiana 418
  • Kansas 197
  • Kentucky 138
  • Louisiana 157
  • Massachusetts 168
  • Maryland 199
  • Maine 124
  • Michigan 619
  • Minnesota 747
  • Missouri 280
  • Mississippi 32
  • Montana 35
  • North Carolina 668
  • North Dakota 42
  • Nebraska 138
  • New Hampshire 24
  • New Jersey 140
  • Nevada 13
  • New York 548
  • Ohio 749
  • Oklahoma 143
  • Oregon 179
  • Pennsylvania 571
  • South Carolina 775
  • South Dakota 78
  • Tennessee 362
  • Texas 614
  • Utah 117
  • Virginia 360
  • Vermont 30
  • Washington 373
  • Wisconsin 606
  • West Virginia 42
Disclaimer: Results shown are statistical estimates based on aggregated data and modeling. They are not exact counts of individuals.

Frequently Asked Questions

How many people are named Sullivan?

Approximately 15,914 people in the United States are estimated to share the name Sullivan, based on statistical analysis.

Is Sullivan a rare name?

Sullivan is considered Very Rare when compared to other names in the U.S. population.

Are these numbers exact?

No. Exact full-name counts are not publicly available. This tool provides statistical estimates designed to be informative and easy to understand.