Download data to predict gender of a person
based on their first name (US names)
or their first initial (less accurate than name)

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Do you have data with just first names or even just first initials but no information on the person's gender/sex? If you would like better insights on your customers, based on whether they are likely male or female, then this data download is a great way to maximize your ROI! Download it today and begin using it to tailor your messaging and improve future communications.

There are three licenses available for this data- individual, corporate and corporate for multi-company consumers. The individual version is available free (with discount code) for a limited time. Simply select the Individual license above for purchase and use discount code discfreepers at the checkout page- this will deduct $3.99 from your purchase price.

The primary table in this data download is First names by Freakalytics with 5164 rows (distinct names and common misspellings). You can use this data to guess if someone is a male or female based on their first name or find the probability that they are male or female based on their first name.

Here is the column information and simple summaries for this table:

Data Column Max Min Average Median Mode
Name mixed case Zulma Aaron N/A N/A James
Most likely gender Male Female N/A N/A Female
Rank Overall 4,019 1 2354 2397 4019
Male Probability 100% 0% 22% 0% 0%
Female Probability 100% 0% 78% 100% 100%
Count Either Gender 99,989 32 1,079 127 32
Male Count 99,671 0 524 0 0
Female Count 83,718 0 555 64 32
Male Probability Within 3.68% 0.00% 0.08% 0.01% 0.00%
Female Probability Within 2.92% 0.00% 0.02% 0.00% 0.00%
Male Rank 1,054 1 584 608 1,054
Female Rank 3,052 1 1,825 2,131 3,052
Name first initial Z A N/A N/A J
Name upper case ZULMA AARON N/A N/A JAMES

The top few rows from this table (as a snapshot of the data in Excel 2003 format and in text):

Download US American first names and initials to predict gender sex 1

Name mixed case Most likely gender Rank Overall Male Probability Female Probability Count Either Gender Male Count Female Count Male Probability Within Female Probability Within Male Rank Female Rank Name first initial Name upper case
James Male 1 99.7% 0.3% 99,989 99,671 318 3.6847% 0.0111% 1 867 J JAMES
John Male 2 99.6% 0.4% 98,641 98,259 382 3.6325% 0.0133% 2 790 J JOHN
Robert Male 3 99.7% 0.3% 94,669 94,414 255 3.4903% 0.0089% 3 982 R ROBERT
Mary Female 4 0.3% 99.7% 83,988 270 83,718 0.0100% 2.9225% 699 1 M MARY
Michael Male 5 99.5% 0.5% 79,356 78,974 382 2.9195% 0.0133% 4 790 M MICHAEL

 
 
 
The second table in this data download is First initial by Freakalytics with 26 rows. If you only have people's first initials, you can use this to guess if they are a male or female as well -OR- use the probabilities of them being a male or female.

Here is the column information and simple summaries for this table:

Data Column Max Min Average Median Mode
First initial Z A N/A N/A J
Most likely gender Male Female N/A N/A Female
Disparity between genders 93.9% 0.2% 29.1% 23.7% N/A
Female Probability 97.0% 16.8% 54.0% 56.0% N/A
Male Probability 83.2% 3.0% 46.0% 44.0% N/A
Female Initial Probability Within 12.4% 0.0% 3.8% 3.0% N/A
Male Initial Probability Within 17.6% 0.0% 3.8% 3.2% N/A
Female Distinct Names 424 5 164 122 238
Male Distinct Names 100 1 47 45 1
Female Rank First Initial 26 1 13 14 8
Male Rank First Initial 26 1 14 14 N/A
Female Count in 1990 Census Analysis 353,967 255 110,178 85,355 #N/A
Male Count in 1990 Census Analysis 477,081 300 104,039 87,530 #N/A
First initial Z A N/A N/A J

The top few rows from this table (as a snapshot of the data in Excel 2003 format and in text):

Download US American first names and initials to predict gender sex 2

First initial Most likely gender Disparity between genders Female Probability Male Probability Female Initial Probability Within Male Initial Probability Within Female Distinct Names Male Distinct Names Female Rank First Initial Male Rank First Initial Female Count in 1990 Census Analysis Male Count in 1990 Census Analysis First initial
Y Female 93.9% 97.0% 3.0% 0.4% 0.0% 47 2 20 25 12,457 390 Y
W Male 66.5% 16.8% 83.2% 0.9% 4.7% 43 44 22 8 25,483 126,642 W
V Female 53.1% 76.6% 23.4% 2.2% 0.7% 104 17 15 19 64,183 19,645 V
U Female 52.2% 76.1% 23.9% 0.0% 0.0% 7 1 24 26 956 300 U
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