Wikipedia:Articles for deletion/Southgate Shopping Center
According to https://www.newspapers.com/image/363399099/ this source, Southgate, Michigan was named after the shopping centre. I'd say that satisfies "historic, social, economic, or architectural importance" for 
— User:Pontificalibus, 12:37, 11 January 2020 (UTC)
Stance: keep
Cited policy: WP:NBUILD (Wikipedia:Notability)