Last name Killough (Killough 
) , across the world, is quite a rare cognomen. The cognomen Killough is habitual in the United States, where it is a rare surname, Canada, and New Zealand. In absolute terms, this name is the most popular in the United States, the United Kingdom, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Killough | Canada, Sweden, United Kingdom, United States, Switzerland |
| samuel b. killough (b. 1813) |
|
|
| annette w. killough (b. 1821) |
|
|
| hugh baxter killough (b. 1892) |
|
|
| h. patrick killough US author (b. 1945) |
|
|
| ann killough American writer, US (b. 1947) |
|
|
| h. p. killough (b. 1945) |
|
|
| bill killough college basketball player (1985–1986) Texas-Arlington |
|
|
| john e. killough Ph.D. Rice University 1986 |
|
|
| matthew killough Ph.D. New York University 1998 |
|
|
| james m killough researcher |
|
|
| d. brady killough Ph.D. University of Victoria 2009 |
|
|
| mary killough |
|