NameCensus.
Very Rare

Dianne Kay

There are approximately 5 people named Dianne Kay living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 68,550,868 Americans.

This estimate combines SSA birth records for the first name Dianne with Census Bureau frequency data for the surname Kay. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.

Expected bearers

5

1 in 68,550,868

Named Dianne

61K

Alive today

Named Kay

28K

Alive today

US population

343M

Denominator

The first name Dianne

Estimated living: 61K

Rarity: Uncommon

Gender: Female

Peak year: 1947

Average age: 69

The surname Kay

Estimated bearers: 28K

Rarity: Uncommon

Census rank: #1,467

Per 100K: 8.25

Top ancestry: White (85.6%)

First name trend

Dianne: popularity over time

Year-by-year SSA birth registrations for the first name Dianne. The peak year was 1947 with 4,421 births. The average person named Dianne today is 69 years old.

Babies born per year

MaleFemale
01K2K3K4K192019401960198020002020

Ethnicity

Ancestry of the Kay surname

Self-reported race and ethnicity breakdown for people with the surname Kay, from the 2010 US Census Bureau. The largest group is White at 85.6%.

  • White85.6%
  • Black or African American5.9%
  • Asian and Pacific Islander3.5%
  • Hispanic or Latino2.5%
  • Two or more races1.9%
  • American Indian and Alaska Native0.6%

Methodology

How we calculated this

The first name Dianne has a living-bearer frequency of 0.0177% of the US population, based on 60,758 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).

The surname Kay appears at a rate of 8.25 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0083%.

Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 5 people with the full name Dianne Kay. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.

Read the full methodology.

Related

Other people named Dianne

Related

Other people with the surname Kay

FAQ

Dianne Kay: questions and answers

How many people are named Dianne Kay?

We estimate approximately 5 people in the United States share the full name Dianne Kay. That works out to about 1 in 68,550,868 Americans. This is calculated by combining the first-name frequency (0.0177%) with the surname frequency (8.25 per 100K) against the current US population.

How rare is the name Dianne Kay?

We classify Dianne Kay as "Very Rare". About 1 in 68,550,868 Americans share this exact first and last name combination.

Is Dianne a male or female name?

Dianne is predominantly female. Out of 95,451 total SSA registrations, 0.2% were male and 99.8% were female. See the full Dianne profile for detailed gender data.

Where does this data come from?

First-name data comes from the Social Security Administration's national baby name files (1880 to 2024). Surname data comes from the 2010 US Census Bureau decennial surname tables. Living-bearer estimates use CDC actuarial life tables to adjust for mortality. Read the full methodology.

N
Name Census
namecensus.com

There are 5 people

with the full name

Dianne Kay

Look up any American name

Share this result