Cities of United States starting with letter I Page 26
- Irish Creek
- Irish Cut
- Irish Hill
- Irish Meeting House
- Irish Settlement
- Irish Settlement (St. Lawrence County)
- Irish Settlement (Washington County)
- Irish Town
- Irishmans
- Irishtown
- Irishtown (Adams County, Pennsylvania)
- Irishtown (Clearfield County)
- Irishtown (Fayette County, Pennsylvania)
- Irishtown (Lancaster County)
- Irishtown (McKean County)
- Irishtown (Mercer County)
- Irma
- Irma (Crittenden County, Kentucky)
- Irma (Hillsborough County)
- Irma (Lincoln County)
- Irma (Natchitoches Parish)
- Irma (Nevada County)
- Irma (Taney County)
- Irmulco
- Iron
- Iron (Lewis and Clark County)
- Iron Basin
- Iron Bridge
- Iron Bridge Estates
- Iron Center
- Iron City (Calhoun County, Alabama)
- Iron City (Clarion County)
- Iron City (Forest County, Pennsylvania)
- Iron City (Logan County)
- Iron Creek
- Iron Crossroads
- Iron Duff
- Iron Furnace
- Iron Gate (Clayton County)
- Iron Gate (Dorchester County)
- Iron Gate (Prince William County)
- Iron Gates (New Castle County)
- Iron Hill
- Iron Hill (Carter County, Kentucky)
- Iron Hill (Cecil County)
- Iron Hill (Dickson County)
- Iron Hill (New Castle County)
- Iron Hill Springs
- Iron Hills Apartments
- Iron Horse (Saunders County)