Koseki is a rare name in the United States, with 110 people sharing this name. That's approximately 1 in every 3,036,364 Americans. The highest concentration is in Hawaii (27%), across 22 states total. The top city is Honolulu, HI with 27 people. The average age is 71 years old (median 75).

Age Distribution

35-44

11%

55-64

21%

65+

68%

Age range: 35 – 90 years

Birth Decade

When people named Koseki were born

18%

30s

25%

40s

25%

50s

18%

60s

70s

80s

90s

Most Common First Names

For people with last name Koseki

David

5 Joseph

4 Catherine

3 Kenneth

3 Michael

3 Clayton

3 Shinichi

2 Betty

2 Kiyoto

2 Marie-theresa

Show 10 more names

Marie-therese

2 Nobuhito

2 Socorro

2 Ted

2 Risa

2 Marie

2 Toshiaki

2 Tomoko

2 Mamoru

1 Natasha

Narrow Your Search

Browse by State

Hawaii 30 California 23 Idaho 9 Florida 8 Illinois 6 Arizona 6 New York 6 New Jersey 4 Nevada 2 North Carolina 2 Maryland 2 Kansas 2

Top Cities

Honolulu, HI 27 Chicago, IL 6 Meridian, ID 5 Sun City Center, FL 5 Boise, ID 4 Mesa, AZ 4 Jamesville, NY 4 Oceanside, CA 4 Mountain View, CA 3 Kaneohe, HI 3 San Diego, CA 2 Clermont, FL 2

Show all 15 cities

Las Vegas, NV 2 Huntersville, NC 2 Los Angeles, CA 2

Name Variations

David Koseki 5 people Joseph Koseki 4 people Catherine Koseki 3 people Kenneth Koseki 3 people Michael Koseki 3 people Clayton Koseki 3 people Shinichi Koseki 2 people Betty Koseki 2 people Kiyoto Koseki 2 people Marie-Theresa Koseki 2 people Marie-Therese Koseki 2 people Nobuhito Koseki 2 people Socorro Koseki 2 people Ted Koseki 2 people Risa Koseki 2 people Marie Koseki 2 people Toshiaki Koseki 2 people Tomoko Koseki 2 people Mamoru Koseki 1 person Natasha Koseki 1 person Sayaka Koseki 1 person Kasumi Koseki 1 person Ritchie Koseki 1 person Sammy Koseki 1 person

Show all 83 name variations

Yosuke Koseki 1 person Yoshihiko Koseki 1 person Miyako Koseki 1 person A Koseki 1 person Aaron Koseki 1 person Alice Koseki 1 person Anna Koseki 1 person Atsuko Koseki 1 person Calvin Koseki 1 person Christine Koseki 1 person Christy Koseki 1 person Daisuke Koseki 1 person Debra Koseki 1 person Doreen Koseki 1 person Fumi Koseki 1 person James Koseki 1 person Jane Koseki 1 person Judith Koseki 1 person Larry Koseki 1 person Layne Koseki 1 person Senji Koseki 1 person Shari Koseki 1 person Sharon Koseki 1 person Taro Koseki 1 person Teri Koseki 1 person Thomas Koseki 1 person Tomolo Koseki 1 person Toshiyuki Koseki 1 person Yoshihiro Koseki 1 person Grace Koseki 1 person May Koseki 1 person Yuji Koseki 1 person Therese Koseki 1 person Akihisa Koseki 1 person Brad Koseki 1 person Bradley Koseki 1 person H Koseki 1 person Hiroshi Koseki 1 person Ingrid Koseki 1 person Jody Koseki 1 person K Koseki 1 person Karen Koseki 1 person Kazunori Koseki 1 person Lawrence Koseki 1 person Leigh Koseki 1 person Makiko Koseki 1 person Masahiro Koseki 1 person Nobuhiro Koseki 1 person Randall Koseki 1 person Reginald Koseki 1 person Ryoko Koseki 1 person S Koseki 1 person Takeshi Koseki 1 person William Koseki 1 person Yuka Koseki 1 person Yuri Koseki 1 person Lynn Koseki 1 person Wesley Koseki 1 person Aja Koseki 1 person

People with Last Name Koseki

Mamoru Koseki

Winter Haven, FL

3859 Bedford Ave, Winter Haven, FL 33884, USA

Updated Sep 2025

Natasha Koseki

41 · Bend, OR

1039 SE Valleywood Pl, Bend, OR 97702, USA

Updated Jan 2026

Sayaka Koseki

Rockville, MD

5707 Brewer House Cir, Rockville, MD 20852, USA

Updated Aug 2025

Kasumi Koseki

Boston, MA

500 Atlantic Ave, Boston, MA 02210, USA

Updated Oct 2025

Ritchie R Koseki

70 · Honolulu, HI

(808) 523-2338

100 N Beretania St, Honolulu, HI 96817, USA

1 phone Updated Dec 2025

Sammy Koseki

Torrance, CA

(310) 291-9564

19475 Gramercy Pl, Torrance, CA 90501, USA

1 phone Updated Nov 2025

Yosuke Koseki

Fayetteville, AR

617 N Scottsdale Dr, Fayetteville, AR 72701, USA

Updated Oct 2025

Yoshihiko Koseki

Baltimore, MD

3 Sunny Meadow Ct, Baltimore, MD 21209, USA

1 relative Updated Dec 2025

Miyako Koseki

Sacramento, CA

(916) 599-8150

2174 Raymar Way, Sacramento, CA 95835, USA

1 phone Updated Dec 2025

A M Koseki

89 · Honolulu, HI

(808) 845-4005

2434 Kini Pl, Honolulu, HI 96819, USA

1 phone Updated Jan 2026

Aaron K Koseki

77 · Honolulu, HI

(808) 373-4016

5315 Manauwea St, Honolulu, HI 96821, USA

2 phones Updated Oct 2025

Alice E Koseki

90 · Kaneohe, HI

(808) 398-6399

45-718 Kalamalo Pl, Kaneohe, HI 96744, USA

4 phones Updated Aug 2025

Anna M Koseki

89 · Honolulu, HI

(808) 845-4005

2434 Kini Pl, Honolulu, HI 96819, USA

1 phone Updated Nov 2025

Atsuko Koseki

61 · Edmonds, WA

(425) 697-5414

9911 220th St SW, Edmonds, WA 98020, USA

1 phone Updated Aug 2025

Calvin C Koseki

82 · Honolulu, HI

(808) 396-1804

7263 Kuahono St, Honolulu, HI 96825, USA

2 phones Updated Sep 2025

Christine Koseki

80 · Meridian, ID

(208) 221-7959

995 W 11th St, Meridian, ID 83642, USA

2 phones Updated Oct 2025

Christy K Koseki

Honolulu, HI

(808) 780-6107

3258 Herbert St, Honolulu, HI 96815, USA

1 phone Updated Sep 2025

Daisuke Koseki

56 · Lomita, CA

2458 Lomita Blvd, Lomita, CA 90717, USA

Updated Oct 2025

Debra A Koseki

60 · Oceanside, CA

(760) 967-9129

4445 Point Degada, Oceanside, CA 92058, USA

2 phones 1 address Updated Dec 2025

Doreen M Koseki

80 · Santa Ana, CA

(714) 558-7383

1827 Greenwood Ave, Santa Ana, CA 92705, USA

1 phone Updated Sep 2025

Fumi Koseki

60 · Honolulu, HI

(808) 923-4860

2609 Ala Wai Blvd, Honolulu, HI 96815, USA

3 phones 6 addresses Updated Nov 2025

James T Koseki

80 · Meridian, ID

(208) 221-7959

995 W 11th St, Meridian, ID 83642, USA

2 phones Updated Sep 2025

Jane N Koseki

Honolulu, HI

(808) 845-8160

2966 Pali Hwy, Honolulu, HI 96817, USA

1 phone 1 address Updated Sep 2025

Judith G Koseki

75 · Honolulu, HI

(808) 373-4016

5315 Manauwea St, Honolulu, HI 96821, USA

3 phones Updated Oct 2025

Larry K Koseki

81 · Honolulu, HI

(808) 946-8654

1677 Pensacola St, Honolulu, HI 96822, USA

2 phones 1 address Updated Dec 2025

Layne M Koseki

73 · Honolulu, HI

(808) 947-8773

1520 Spreckels St, Honolulu, HI 96822, USA

3 phones Updated Nov 2025

Senji Koseki

87 · Chicago, IL

6330 N Minnehaha Ave, Chgo, IL 60646, USA

Updated Sep 2025

Shari M Koseki

76 · Honolulu, HI

(808) 595-0818

31 Niniko Pl, Honolulu, HI 96817, USA

1 phone Updated Nov 2025

Sharon K Koseki

82 · Honolulu, HI

(808) 396-1804

7263 Kuahono St, Honolulu, HI 96825, USA

2 phones Updated Jan 2026

Taro Koseki

67 · Chicago, IL

(773) 412-4362

5054 N Troy St, Chgo, IL 60625, USA

2 phones Updated Oct 2025

Teri Koseki

58 · Mesa, AZ

6109 E Rochelle St, Mesa, AZ 85215, USA

Updated Sep 2025

Thomas T Koseki

90 · Mesa, AZ

(480) 985-8853

6109 E Rochelle St, Mesa, AZ 85215, USA

3 phones 6 addresses Updated Sep 2025

Tomolo T Koseki

Mesa, AZ

6109 E Rochelle St, Mesa, AZ 85215, USA

Updated Sep 2025

Toshiyuki Koseki

62 · San Diego, CA

(858) 385-9380

12290 Fairway Pointe Row, San Diego, CA 92128, USA

2 phones Updated Aug 2025

Yoshihiro Koseki

Sun City Center, FL

(352) 394-7133

532 Princeton Greens Ct, Sun City Center, FL 33573, USA

2 phones 2 addresses Updated Oct 2025

Grace Koseki

Tempe, AZ

(480) 529-5901

3926 S Cutler Dr, Tempe, AZ 85282, USA

1 phone Updated Aug 2025

May Koseki

Chicago, IL

(773) 577-6436

6330 N Minnehaha Ave, Chgo, IL 60646, USA

1 phone Updated Nov 2025

Yuji Koseki

Englewood Cliffs, NJ

(201) 892-1447

127 Chestnut St, Englewood Cliffs, NJ 07632, USA

2 phones Updated Dec 2025

Therese Koseki

Sun City Center, FL

(813) 956-1917

532 Princeton Greens Ct, Sun City Center, FL 33573, USA

1 phone 1 address Updated Aug 2025

Akihisa Koseki

Ridgefield, NJ

(201) 941-8608

800 Shaler Blvd, Ridgefield, NJ 07657, USA

2 phones Updated Oct 2025

Brad Koseki

Honolulu, HI

(808) 595-3108

31 Niniko Pl, Honolulu, HI 96817, USA

3 phones Updated Aug 2025

Bradley Koseki

Kaneohe, HI

(808) 235-4879

45-718 Kalamalo Pl, Kaneohe, HI 96744, USA

1 phone Updated Jan 2026

H Koseki

Gardena, CA

16418 Dalton Ave, Gardena, CA 90247, USA

Updated Sep 2025

Hiroshi Koseki

McMinnville, TN

(931) 474-3137

116 Greenland Dr, McMinnville, TN 37110, USA

1 phone Updated Oct 2025

Ingrid Elizabeth Koseki

74 · Huntersville, NC

(704) 560-5134

6823 Heritage Orchard Way, Huntersville, NC 28078, USA

2 phones Updated Jan 2026

Jody Koseki

Denver, CO

(303) 427-2795

6321 Knox Ct, Denver, CO 80221, USA

1 phone Updated Jan 2026

K M Koseki

Honolulu, HI

(808) 737-5406

3715 Sierra Dr, Honolulu, HI 96816, USA

1 phone Updated Jan 2026

Karen S Koseki

Murray, UT

(801) 262-5322

5285 Spring House Ln, Murray, UT 84107, USA

1 phone Updated Aug 2025

Kazunori Koseki

San Diego, CA

(858) 576-8561

10660 Porto Ct, San Diego, CA 92124, USA

1 phone Updated Oct 2025

Lawrence K Koseki

Kaneohe, HI

(808) 235-4879

45-718 Kalamalo Pl, Kaneohe, HI 96744, USA

1 phone Updated Sep 2025

Leigh Koseki

Honolulu, HI

(808) 845-4005

2434 Kini Pl, Honolulu, HI 96819, USA

1 phone Updated Aug 2025

Makiko Koseki

La Mesa, CA

(619) 644-8731

5353 Baltimore Dr, La Mesa, CA 91942, USA

2 phones Updated Dec 2025

Masahiro Koseki

Fort Lee, NJ

(201) 482-0860

2400 2nd St, Fort Lee, NJ 07024, USA

1 phone Updated Aug 2025

Nobuhiro Koseki

Menifee, CA

(951) 672-8442

29987 Cool Meadow Dr, Menifee, CA 92584, USA

1 phone Updated Aug 2025

Randall Y Koseki

Honolulu, HI

(808) 373-3728

1294 Kalaniiki St, Honolulu, HI 96821, USA

1 phone Updated Oct 2025

Reginald W Koseki

Las Vegas, NV

(702) 804-1923

2301 Hot Oak Ridge St, Las Vegas, NV 89134, USA

1 phone Updated Dec 2025

Ryoko Koseki

Millbrae, CA

(650) 692-9412

300 Murchison Dr, Millbrae, CA 94030, USA

1 phone Updated Jan 2026

S Koseki

Palo Alto, CA

(650) 857-0817

1080 Tanland Dr, Palo Alto, CA 94303, USA

1 phone Updated Jan 2026

Takeshi Koseki

Battle Creek, MI

1 Denso Rd, Battle Creek, MI 49037, USA

Updated Dec 2025

William Koseki

Las Vegas, NV

(702) 240-5491

1705 Hills of Red Dr, Las Vegas, NV 89128, USA

1 phone Updated Sep 2025

Yuka Koseki

Port Hueneme, CA

(805) 488-1331

416 Santa Cruz Cir, Port Hueneme, CA 93041, USA

1 phone Updated Dec 2025

Yuri Koseki

Tuscaloosa, AL

(205) 759-2837

201 Marina Dr, Tuscaloosa, AL 35406, USA

1 phone Updated Sep 2025

Lynn A Koseki

70 · Honolulu, HI

(808) 845-4005

2434 Kini Pl, Honolulu, HI 96819, USA

1 phone Updated Jan 2026

Wesley C Koseki

35 · El Cajon, CA

11665 Via Nicole, El Cajon, CA 92019, USA

Updated Sep 2025

Aja Koseki

37 · Oceanside, CA

(760) 518-0878

4445 Point Degada, Oceanside, CA 92058, USA

1 phone Updated Oct 2025

Showing 65 of 110 people named Koseki. Use the state filter above or select a state to see all results.

Frequently Asked Questions

Common questions about people named Koseki

How many people named Koseki are there in the US?

There are approximately 110 people named Koseki in the United States, found across 22 states.

Where do most people named Koseki live?

The highest concentration of people named Koseki is in Hawaii (27% of all Kosekis). The top city is Honolulu, HI.

What is the average age of someone named Koseki?

Based on public records, the average age of people named Koseki is 71 years old.

How can I find a specific person named Koseki?

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 Koseki 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.