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People Named Kosai

80 people found with 63 name variations across 5 states

Geographic Distribution

Where people named Kosai live in the US

Kosai Across the US

AK: No data AL: No data AR: No data AZ: No data California: 36 people CO: No data CT: No data DC: No data DE: No data FL: No data GA: No data HI: No data IA: No data ID: No data IL: No data IN: No data KS: No data KY: No data LA: No data MA: No data MD: No data ME: No data MI: No data MN: No data MO: No data MS: No data MT: No data NC: No data ND: No data NE: No data NH: No data NJ: No data NM: No data NV: No data NY: No data Ohio: 4 people OK: No data OR: No data PA: No data RI: No data SC: No data SD: No data TN: No data Texas: 2 people UT: No data Virginia: 1 people VT: No data Washington: 37 people WI: No data WV: No data WY: No data
Fewer Level 1 Level 2 Level 3 Level 4 Level 5 More

Highest Concentration

Per 100,000 residents

WA
0.55 CA
0.10 OH
0.03 VA
0.01 TX
0.01

Demographics

Based on a sample of 49 people named Kosai

About Kosai

Kosai is a very rare name in the United States, with 80 people sharing this name. That's approximately 1 in every 4,175,000 Americans. The highest concentration is in Washington (46%), across 5 states total. The top city is Seattle, WA with 11 people. The average age is 60 years old (median 65).

Age Distribution

25-34
12%
35-44
20%
45-54
4%
55-64
12%
65+
52%
Age range: 30 – 85 years

Birth Decade

When people named Kosai were born

20%
40s
24%
50s
20%
60s
4%
70s
16%
80s
16%
90s

Most Common First Names

For people with last name Kosai

Frank Kosai
3 Fusako Kosai
3 Kenneth Kosai
3 Brian Kosai
2 Daniel Kosai
2 Donald Kosai
2 Gwen Kosai
2 James Kosai
2 Yoshito Kosai
2 K Kosai
2
Show 10 more names
Kent Kosai
2 Kim Kosai
2 Dianne Kosai
2 Nicole Kosai
2 Minoru Kosai
1 Sawitree Kosai
1 Kendall Kosai
1 Hayato Kosai
1 Sharon Kosai
1 Beverly Kosai
1

Narrow Your Search

Browse by State

Top Cities

Seattle, WA 11 Huntington Beach, CA 8 San Francisco, CA 6 San Jose, CA 5 Puyallup, WA 5 Tacoma, WA 3 Irvine, CA 3 Ventura, CA 3 Lynnwood, WA 3 Kent, WA 3 Santa Barbara, CA 2 Willowick, OH 2
Show all 17 cities
Lakewood, WA 2 Bonney Lake, WA 2 Gilroy, CA 2 Issaquah, WA 2 Mission Viejo, CA 2

Name Variations

Frank Kosai 3 people Fusako Kosai 3 people Kenneth Kosai 3 people Brian Kosai 2 people Daniel Kosai 2 people Donald Kosai 2 people Gwen Kosai 2 people James Kosai 2 people Yoshito Kosai 2 people K Kosai 2 people Kent Kosai 2 people Kim Kosai 2 people Dianne Kosai 2 people Nicole Kosai 2 people Minoru Kosai 1 person Sawitree Kosai 1 person Kendall Kosai 1 person Hayato Kosai 1 person Sharon Kosai 1 person Beverly Kosai 1 person Brandon Kosai 1 person Carol Kosai 1 person Hiroko Kosai 1 person Hiromi Kosai 1 person
Show all 63 name variations
Hiroyuki Kosai 1 person Isabel Kosai 1 person Janet Kosai 1 person Kaitlyn Kosai 1 person Kikuko Kosai 1 person Makoto Kosai 1 person Marissa Kosai 1 person Marissa Maria Kosai 1 person Richard Kosai 1 person Robert Kosai 1 person Ronald Kosai 1 person Shannon Kosai 1 person Takao Kosai 1 person Terry Kosai 1 person Wesley Kosai 1 person Yoshie Kosai 1 person A Kosai 1 person Aiko Kosai 1 person Aizo Kosai 1 person Belle Kosai 1 person Dee Kosai 1 person Isabe Kosai 1 person Khauli Kosai 1 person Kiso Kosai 1 person Luke Kosai 1 person M Kosai 1 person Masaru Kosai 1 person Masayoshi Kosai 1 person R Kosai 1 person Sheila Kosai 1 person Shohai Kosai 1 person Teresa Kosai 1 person Y Kosai 1 person Stephen Kosai 1 person Aaron Kosai 1 person Glenn Kosai 1 person Jessie Kosai 1 person Ryan Kosai 1 person Jennifer Kosai 1 person

People with Last Name Kosai

Minoru Kosai
Seattle, WA
(206) 941-0642
1845 S 261st Pl, Seattle, WA 98198, USA
1 phone Updated Aug 2025
Sawitree Kosai
41 · Alexandria, VA
5817 Cannon Ln, Alexandria, VA 22303, USA
Updated Nov 2025
Kendall T Kosai
Tacoma, WA
1324 S Mountain View Ave, Tacoma, WA 98465, USA
Updated Jan 2026
Hayato Kosai
70 · Lynnwood, WA
(425) 743-7293
16821 69th Pl W, Lynnwood, WA 98037, USA
2 phones 1 address Updated Oct 2025
Sharon Kosai
League City, TX
2104 Rosswood Dr, League City, TX 77573, USA
Updated Dec 2025
Beverly A Kosai
85 · Puyallup, WA
(253) 845-0514
16915 91st Ave E, Puyallup, WA 98375, USA
1 phone Updated Dec 2025
Brandon G Kosai
44 · Gilroy, CA
(408) 265-4293
8341 Delta Dr, Gilroy, CA 95020, USA
2 phones 6 addresses Updated Aug 2025
Carol M Kosai
81 · Santa Barbara, CA
(805) 685-1153
3775 Modoc Rd, Santa Barbara, CA 93105, USA
1 phone 1 address Updated Aug 2025
Hiroko Kosai
85 · Seattle, WA
(206) 325-7984
3407 16th Ave S, Seattle, WA 98144, USA
1 phone Updated Sep 2025
Hiromi Kosai
San Francisco, CA
(415) 564-9759
3525 Moraga St, SF, CA 94122, USA
2 phones Updated Dec 2025
Hiroyuki Kosai
70 · Beavercreek, OH
2705 Tara Trail E, Beavercreek, OH 45434, USA
Updated Jan 2026
Isabel Kosai
84 · San Jose, CA
(408) 265-4293
1309 Carlsen Way, San Jose, CA 95118, USA
1 phone Updated Aug 2025
Janet G Kosai
63 · Huntington Beach, CA
(714) 914-8983
6092 Dagny Cir, Huntington Beach, CA 92647, USA
2 phones Updated Aug 2025
Kaitlyn H M Kosai
30 · Puyallup, WA
(253) 435-8611
13710 116th Ave Ct E, Puyallup, WA 98374, USA
1 phone Updated Nov 2025
Kikuko S Kosai
Mission Viejo, CA
(949) 472-4571
22561 La Vina Dr, Mission Viejo, CA 92691, USA
1 phone Updated Jan 2026
Makoto Kosai
72 · Lynnwood, WA
(425) 742-7041
16821 69th Pl W, Lynnwood, WA 98037, USA
3 phones Updated Aug 2025
Marissa M Kosai
65 · Irvine, CA
(949) 724-9338
11 Del Roma, Irvine, CA 92614, USA
1 phone Updated Jan 2026
Marissa Maria M Kosai
65 · Irvine, CA
(949) 724-9338
11 Del Roma, Irvine, CA 92614, USA
1 phone Updated Nov 2025
Richard S Kosai
62 · Irvine, CA
(949) 724-9338
11 Del Roma, Irvine, CA 92614, USA
1 phone Updated Nov 2025
Robert T Kosai
58 · San Francisco, CA
340 Hayes St, SF, CA 94102, USA
Updated Dec 2025
Ronald M Kosai
70 · Bonney Lake, WA
(253) 709-7011
19309 78th St E, Bonney Lake, WA 98391, USA
2 phones Updated Nov 2025
Shannon M Kosai
53 · Huntington Beach, CA
(714) 968-5355
8472 Deepcliff Dr, Huntington Beach, CA 92646, USA
3 phones Updated Sep 2025
Takao Kosai
San Francisco, CA
(415) 665-2759
3525 Moraga St, SF, CA 94122, USA
2 phones Updated Aug 2025
Terry Kosai
80 · San Jose, CA
(408) 265-4293
1309 Carlsen Way, San Jose, CA 95118, USA
1 phone Updated Jan 2026
Show more
Wesley E Kosai
70 · Seattle, WA
(206) 772-4166
12010 66th Ave S, Seattle, WA 98178, USA
2 phones Updated Dec 2025
Yoshie J Kosai
Seattle, WA
(206) 772-4166
12010 66th Ave S, Seattle, WA 98178, USA
2 phones Updated Oct 2025
A Kosai
Kent, WA
(253) 852-0789
24121 116th Ave SE, Kent, WA 98030, USA
2 phones Updated Jan 2026
Aiko Kosai
Willowick, OH
(440) 944-6089
31602 Royalview Dr, Willowick, OH 44095, USA
1 phone Updated Nov 2025
Aizo J Kosai
Seattle, WA
(206) 772-4166
12010 66th Ave S, Seattle, WA 98178, USA
1 phone Updated Oct 2025
Belle Kosai
San Jose, CA
(408) 265-4293
1309 Carlsen Way, San Jose, CA 95118, USA
1 phone Updated Jan 2026
Dee D Kosai
Langley, WA
(360) 321-2360
2500 Discovery Pl, Langley, WA 98260, USA
1 phone Updated Oct 2025
Isabe Kosai
San Jose, CA
(408) 265-4293
1309 Carlsen Way, San Jose, CA 95118, USA
1 phone Updated Jan 2026
Khauli Kosai
Glendale, CA
1767 Wabasso Way, Glendale, CA 91208, USA
Updated Oct 2025
Kiso Kosai
Puyallup, WA
(253) 848-5133
123 4th Ave NW, Puyallup, WA 98371, USA
1 phone Updated Sep 2025
Luke Kosai
Seattle, WA
(206) 325-7984
3407 16th Ave S, Seattle, WA 98144, USA
1 phone Updated Sep 2025
M Kosai
Seattle, WA
(206) 325-7984
3407 16th Ave S, Seattle, WA 98144, USA
1 phone Updated Sep 2025
Masaru Kosai
Houston, TX
(281) 496-3478
14855 Memorial Dr, Houston, TX 77079, USA
1 phone Updated Nov 2025
Masayoshi Kosai
Seattle, WA
(206) 325-7984
3407 16th Ave S, Seattle, WA 98144, USA
1 phone Updated Dec 2025
R Kosai
San Francisco, CA
340 Hayes St, SF, CA 94102, USA
Updated Nov 2025
Sheila Kosai
Dayton, OH
(937) 293-8671
1649 E Dorothy Ln, Dayton, OH 45429, USA
1 phone Updated Oct 2025
Shohai Kosai
Pasadena, CA
(626) 792-0583
339 S Catalina Ave, Pasadena, CA 91106, USA
1 phone Updated Jan 2026
Teresa Kosai
Seattle, WA
(206) 772-4166
12010 66th Ave S, Seattle, WA 98178, USA
1 phone Updated Aug 2025
Y Kosai
Kent, WA
(253) 852-0789
24121 116th Ave SE, Kent, WA 98030, USA
1 phone Updated Nov 2025
Stephen N Kosai
34 · Huntington Beach, CA
(714) 914-8983
6092 Dagny Cir, Huntington Beach, CA 92647, USA
1 phone Updated Nov 2025
Aaron C Kosai
33 · Huntington Beach, CA
(714) 914-8983
6092 Dagny Cir, Huntington Beach, CA 92647, USA
1 phone Updated Nov 2025
Glenn E Kosai
71 · Renton, WA
(425) 228-2484
2218 NE 23rd St, Renton, WA 98056, USA
1 phone Updated Oct 2025
Jessie N Kosai
36 · Issaquah, WA
1459 NE Katsura St, Issaquah, WA 98029, USA
Updated Jan 2026
Ryan Kosai
40 · Issaquah, WA
1459 NE Katsura St, Issaquah, WA 98029, USA
Updated Jan 2026
Jennifer Kosai
42 · Gilroy, CA
(408) 316-5643
8341 Delta Dr, Gilroy, CA 95020, USA
1 phone Updated Jan 2026

Showing 49 of 80 people named Kosai. Use the state filter above or select a state to see all results.

Frequently Asked Questions

Common questions about people named Kosai

How many people named Kosai are there in the US?

There are approximately 80 people named Kosai in the United States, found across 5 states.

Where do most people named Kosai live?

The highest concentration of people named Kosai is in Washington (46% of all Kosais). The top city is Seattle, WA.

What is the average age of someone named Kosai?

Based on public records, the average age of people named Kosai is 60 years old.

How can I find a specific person named Kosai?

You can narrow your search by selecting a state or city from the filters above. Each profile includes phone numbers, addresses, and other public records to help you identify the right person.

Is the information about Kosai accurate?

Our data is compiled from publicly available records and is regularly updated. However, we recommend verifying any information independently. If you find an error, please use the report feature on the individual profile page.