You’ve traced your family through census records, decade by decade. Your Black, Mexican, Immigrant, Working Class, and/or Impoverished ancestor lived on Bunker Hill, Los Angeles 1940. Then you search the 1950 census, and they’re just… gone.
You try everything. Different name spellings. City directories. Google Maps.
The area doesn’t exist. Where the street used to be, there’s now a skyscraper.
What Actually Happened
Between 1949 and 1973, federal “urban renewal” programs destroyed over 2,000 predominantly Black, Mexican, Immigrant, Working Class, and Impoverished neighborhoods across the United States. The Highway Act of 1956 made it worse, funding interstates deliberately routed through thriving minority communities.
They called it “slum clearance.” Yet, it was ethnic cleansing with federal funding.
Cities designated these neighborhoods as “blighted” regardless of actual conditions. Many were vibrant communities with minority-owned businesses, churches, and strong social networks. The government seized property through eminent domain, offered inadequate compensation, then demolished everything.
10,000 to 15,000 people were displaced in Boyle Heights with the construction of the east LA interchange. Just like Detroit’s Black Bottom. Baltimore’s Highway to Nowhere. St. Louis’s Mill Creek Valley, where 20,000 people vanished. Chicago’s South Side expressways.
The pattern was national and systematic.
The reason you can’t find your ancestor’s address is because it is under a highway. This is why your research hits a wall in the 1950s-1960s.
What To Do
To learn more about ways to work around these missing neighborhoods and missing documents, head over to Substack and read my latest post: When the Records Aren’t There
If you need help researching an ancestor affected by urban renewal, I offer consultation services. Sometimes having someone who specializes in these hard cases makes all the difference.
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