The sources that have Kearny (as of May 2010):
- Master Address Repository
- DC Department of transportation
- Street Signs on the Street
Sources that have Kearney (as of May 2010):
- United States Postal Service (USPS)
- Google Maps
The issue was resolved by researching the correct spelling of the name at the DC Office of the Surveyor. Working with staff at the Office of the Surveyor, it was found that the correct spelling is Kearny. This was confirmed by eventually finding an official surveyor's map dating from 1898 which showed Kearny. It was located in Washington County book 18 page 18a.
After the research was completed. Both Google maps and the USPS were contacted to inform them that the proper spelling of the street is Kearny.