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About our group
The Spinsters of San Francisco (SOSF) is a social and philanthropic organization of young professional unmarried women unique to the San Francisco Bay Area. Since 1929, SOSF has created a strong network of women who make a positive impact in the community through volunteering and fundraising events.
About our group
The Spinsters of San Francisco (SOSF) is a social and philanthropic organization of young professional unmarried women unique to the San Francisco Bay Area. Since 1929, SOSF has created a strong network of women who make a positive impact in the community through volunteering and fundraising events.