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Main Street School Annex (#13)

Also known as: H.T. Kubota Building

As the Japanese immigrant population began to swell on the American mainland from 2,039 in 1890 to 72,157 in 1910, so did resentment and racial prejudice from White America, which saw the Japanese as economic competition. The U.S. and Japanese governments entered into the Gentlemen’s Agreement in 1908; Japan agreed to halt the immigration of its laborers. In the Ladies’ Agreement with the U.S. government in 1921, Japan ended the immigration of “picture brides.”

Despite exclusionary immigration laws that limited the growth of families, some Japanese American children still grew up in Japantown. This two-room school building (annex to the original 1873 Main Street School) was opened in 1902 and served as Seattle’s first place to teach kindergarten children. The school especially served second generation Japanese and Chinese American children from Japantown and nearby Chinatown.

Its most notable event is associated with the school’s closing. Too small for a growing population, students – led by Principal Ada Mahon – lined up outside on a rainy day on December 21, 1921 to parade up Jackson Street to their new elementary school, Bailey Gatzert, then located up the hill at 12th and Weller.


Artist Emelyn Sung captures the sense of play that young children may have had at the Main Street School Annex.

By artist Emelyn Sung. YouthCAN, Wing Luke Museum.

The Main Street School Annex’s steep hill made for ideal sledding on snowy winter days.

Nippon Kan Heritage Association Collection, Wing Luke Museum.

The Main Street School Annex also was used as a day care center run by Mr. Takeshi Miya.

Nippon Kan Heritage Association Collection, Wing Luke Museum.

Children on the playground at the Main Street School Annex.

Nippon Kan Heritage Association Collection, Wing Luke Museum.

Names listed on the back of this photo of Main Street School Annex teacher and students include (last name first): Chin See, Chin Wing, Chin Quong, Chin Toy, Chin Willie, Eng Ah Wing, Eng Ah Tuck, Eng Soon, Fukuda Susumi, Hiroo Hachiro, Koga Hiroshi, Look Hen Ying, Lock Keay Yok, Ng Wah Fon, Nogaki Toshikazu, Shigetomi Takashi, Sawa Henry, Tomita Masajiro, Takahashi Jenjiro, Tanaka Saburo, Ucke Ruichi, Wong Bock, Woo Ying, Yuen Bow, Sakai Hideo, Chin Leon Toll, Inouye Umko, Ishii Toshiko, Maki Masuko, Miyagawa Toki, Miyagawa Tai, Totsui Yuiki.

Nippon Kan Heritage Association Collection, Wing Luke Museum.

Students gather for the march up Jackson from the Main Street School Annex to Bailey Gatzert Elementary School, December 21, 1921.

Nippon Kan Heritage Association Collection, Wing Luke Museum.


Ada Mahon

Ada Mahon (1875-1951) taught at Denny and Horace Mann Schools before serving as the vice-principal of Main Street School in 1910. She later became principal of Main Street School and then Bailey Gatzert Elementary School, both of which had mainly Japanese American students in various years. For the 1920-21 school year, 334 out of 445 students at the Main Street School were Japanese American. In 1926, Bailey Gatzert’s students included 741 Japanese American, 63 Chinese American, 2 Filipino American, 5 African American and 19 White students.

Much beloved and highly regarded, many especially remember Mahon for her response to students after the attack on Pearl Harbor in December 1941, “You were American citizens last Friday; you are American citizens today. You were friends last Friday; you are friends today.” With the forced removal of Japanese Americans from Seattle in spring 1942, she held assemblies so the Nisei (second generation Japanese American) students could say goodbye to their classmates.

The original brick entryway to Bailey Gatzert Elementary School is preserved at the Seattle Indian Health Board, located at 611 12th Avenue South. As you move from Nichiren Buddhist Church (waypoint #32) and Reliance Hospital (waypoint #33) on the Japanese American Remembrance Trail, the building is located on the southwest corner of 12th and Weller.

Ada Mahon (center), next to Yoichi Matsuda (right).