Oregon Historical County Records Guide
Washington County Records Inventory
Assumed Business Names Registers
Series documents the registration of business names with the county clerk or recorder. Information includes assumed business name; description of business; filing date; and business owner, notary public, witness, clerk or recorder, and deputy's name. Series may also include an index arranged alphabetically by business name. Businesses which were registered were typically automotive sales, motorcycle repair, merchandise shops, butchers, and feed stores. Since 1964, assumed business names have been filed with the Secretary of State. Assumed business names have been inventoried through 1964. For more recent records, contact the Secretary of State, Business Registry Section.
Records at the Washington County Historical Records Vault:
Assumed Business Name Record, vol. 5-11, 1957-1964 (7 volumes);
Business Names [Assumed], vol. 1-2, 1913-1947 (2 volumes);
Master Index Assumed Business Names, vol. 1, 1913-1964 (1 volume);
Record of Assumed Business Names [with index], vol. 3-4, 1947-1957 (1 volume).