Cognomen Glennon (Glennon 
) , globally, is quite a common family name. The surname Glennon is habitual in Ireland, where it is quite a common surname, Australia, where it is quite a rare surname, and the United Kingdom. Not in comparison with a country's population, this name is the most popular in the United States, Ireland, and the United Kingdom. Very seldom, Glennon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Glennon | Australia, United States, United Kingdom, Argentina, Ireland |
|
james henry glennon American naval rear admiral and Navy Cross recipient, US (b. 1857) |
|
|
john j. glennon Catholic cardinal, IE (b. 1862) |
|
|
bert glennon American film director (1893-1967), US (b. 1893) |
|
| edward j. glennon American judge, US (b. 1884) |
|
|
| teddy glennon English cricketer (1889-1926), GB (b. 1889) |
|
|
| tom glennon GB (b. 1900) |
|
|
| margaret wyatte glennon U.S. military veteran, US (b. 1919) |
|
|
| maurade glennon Irish writer, IE (b. 1926) |
|
|
| pat glennon Australian jockey, AU (b. 1927) |
|
|
| glennon engleman American hitman, US (b. 1928) |
|
|
|
matt glennon British footballer (born 1978), GB (b. 1978) |
|
|
james b. glennon United States military officer, US |
|
| john glennon American stage actor, screenwriter and playwright (b. 1931) |
|
|
|
sean glennon American football player (born 1985), US (b. 1985) |
|
|
mike glennon American football player (born 1989), US (b. 1989) |
|