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Male, born 1876-09-15, died 1931

Associated with the firms network

Jeffery and Schaefer, Architects; Jeffery and Van Trees, Architects; Jeffery, Elmore Robinson, Architect; Jeffery, Van Trees and Millar; Young and Jeffery, Architects and Engineers

Professional History


Partner, Young and Jeffery, Architects, Stockton, CA, c. 1915. In 1915, Young and Jeffery worked in Rooms #38 and 40 of the Wolf Building. (See Polk-Husted Directory Co's Stockton City and San Joaquin County Directory 1915,p. 332.)

Partner, Jeffery and Schaefer, Architects, Los Angeles, CA, c. 1919;



Born in WI, Jeffery lived with his parents at 725 South Olive Street in Downtown Los Angeles in 1895. He worked as a clerk at Thomas Brothers Hardware Store, 230 South Spring Street. (See Los Angeles City Directory, 1895, p. 1347)

Jeffery and his wife, Harriet, resided with his mother and father in an apartment building at 138 Bunker Hill Avenue in Los Angeles according to the US Census of 1900. (See, Source Citation Year: 1900; Census Place: Los Angeles Ward 2, Los Angeles, California; Roll: 88; Page: 9B; Enumeration District: 0017; FHL microfilm: 1240088, accessed 08/19/2016.)

Jeffery lived at 374 West Avenue 57 in Los Angeles, from at least 1910 until 1930. (See (See, Source Citation Year: 1910; Census Place: Los Angeles Assembly District 74, Los Angeles, California; Roll: T624_83; Page: 4B; Enumeration District: 0048; FHL microfilm: 1374096, accessed 08/19/2016 and, Source Citation Year: 1930; Census Place: Los Angeles, Los Angeles, California; Roll: 162; Page: 4B; Enumeration District: 0685; Image: 258.0; FHL microfilm: 2339897, accessed 08/19/2016.) By 1930, the house had appreciated to a value of $12,000.


His mother, Sarah Willis Jeffery (born c. 01/1845 in England), worked as an accountant in 1900. Her husband, Robert (born c. 08/1846 in WI), was a tailor, as per the US Census of 1900. They married c. 1870 and had one child.

In 1895, Robert Jeffery was listed in the Los Angeles City Directory as the Secretary and Treasurer of the Escondido Mining Company, 230 South Spring Street in Los Angeles.


He married Harriet May Averill (born c. 09/1876 in IA). (See Source Information Utah, Select County Marriages, 1887-1937 [database on-line]. Provo, UT, USA: Operations, Inc., 2014, accessed 08/19/2016.)

The 1900 US Census reported that she worked as a tailor, like his father, and that her parents had been born in VT (father) and NY (mother). She and Elmo Jeffery married c. 1898.


They had a daughter, Clara A. Jeffery (born c. 1906 in CA) and two sons, Jonathan Elmore Jeffery (born c. 1898 in CA) and David A. Jeffery (born c. 1915 in CA).

Biographical Notes

Los Angeles architect, Elmore R. Jeffery, took a one month-long trip to Minneapolis, MN, Milwaukee, WI, and Chicago, IL, returning to Los Angeles, CA, via Seattle, WA, in 1913. His wife accompanied him.

PCAD id: 896