1900s (20th Century) Maps of Irwin, Westmoreland County
Explore 9 historic maps of Irwin from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — showing old roads, neighborhoods, homes, and landmarks that have changed or disappeared over time.
Whether you're researching your family's past, planning a metal detecting trip, or studying how Irwin's landscape evolved across the 1900s, these high-resolution maps are a powerful tool for exploring the history of this region.
- Focus on a specific era: All maps on this page are from the 1900s, giving you a focused view of this time period.
- See what’s changed: Compare century-old streets, trails, and buildings to today's modern landscape using overlays and satellite layers.
- Research with precision: Use these maps for genealogy, historical research, land use analysis, or educational projects.
- View, download, or print: Maps are fully viewable online in high resolution, and can be downloaded or printed for your own records.
Start exploring Irwin's history through authentic maps from the 1900s. This is your window into the past.
Irwin, Westmoreland County maps
(9)- 1904 Map of Greensburg, 1963 Print1904 Greensburg1963 Print · USGSCovers Irwin, including Monroeville, Greensburg, and other nearby areas
- 1906 Map of Greensburg1906 Greensburg1906 Print · USGSCovers Irwin, including Monroeville, Greensburg, and other nearby areas6 unique versions available
- 1953 Map of Pittsburgh1953 Pittsburgh1953 Print · USGSCovers Irwin, including Pittsburgh, Penn Hills, and other nearby areas
- 1953 Map of Irwin, 1955 Print1953 Irwin1955 Print · USGSCovers Irwin, including Jeannette, Manor, and other nearby areas5 unique versions available
- 1954 Map of Pittsburgh1954 Pittsburgh1954 Print · USGSCovers Irwin, including Pittsburgh, Penn Hills, and other nearby areas2 unique versions available
- 1958 Map of Pittsburgh1958 Pittsburgh1958 Print · USGSCovers Irwin, including Pittsburgh, Penn Hills, and other nearby areas5 unique versions available
- 1959 Map of Pittsburgh1959 Pittsburgh1959 Print · USGSCovers Irwin, including Pittsburgh, Penn Hills, and other nearby areas
- 1964 Map of Pittsburgh1964 Pittsburgh1964 Print · USGSCovers Irwin, including Pittsburgh, Penn Hills, and other nearby areas
- 1986 Map of Pittsburgh East1986 Pittsburgh East1986 Print · USGSCovers Irwin, including Pittsburgh, Penn Hills, and other nearby areas3 unique versions available
End of results
Showing maps 1-9 of 9
Frequently asked questions
- What are the different types of historical maps available for Irwin?
- What is the oldest map of Irwin?
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- Where can I download high-res historical maps of Irwin?
- Are there historical topographic maps available for Irwin?
- Is there historical aerial imagery available for Irwin?
- Where are historical maps of Irwin sourced from?








