Cognomen Lynagh-Shannon (Lynagh-Shannon 
) , globally, is an extremely rare last name. The family name Lynagh-Shannon is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Lynagh, and a first name Shannon.
| VARIANT | COUNTRY |
|---|---|
| Lynagh-Shannon | United States |