Family name Flannagan (Flannagan 
) , throughout the world, is quite a rare last name. The surname Flannagan is habitual in Isle of Man, where it is quite a rare surname, New Zealand, and Ireland. Measured by absolute frequency, the name is most common in the United States, the United Kingdom, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Flannagan | Canada, New Zealand, Australia, United States, United Kingdom |
|
catherine flannagan British woman of Irish origin convicted of murder; part of Black Widows of Liverpool (b. 1829) |
|
|
john flannagan American sculptor, US (b. 1895) |
|
| john flannagan United States Navy sailor and Medal of Honor recipient, IE (b. 1852) |
|
|
| john flannagan Catholic priest of the Diocese of Davenport who was the second president of St. Ambrose University., US (b. 1860) |
|
|
| john w. flannagan American politician (1885-1955), US (b. 1885) |
|
|
| mary flannagan (1895-1992) (b. 1895) |
|
|
| charlie flannagan Australian rules footballer (b. 1933) |
|
|
| craig flannagan GB (b. 1962) |
|
|
| ronald s flannagan researcher |
|
|
| carrie flannagan researcher |
|
|
| don flannagan college basketball player (1954–1955) Texas Christian |
|
|
| william flannagan Peerage person ID=375256 |
|
|
| flannagan mac ceallach poet |
|
|
| kerry s flannagan researcher (ORCID 0000-0002-1569-2332) |
|
|
| bryan flannagan candidate in the 2021 Scottish Parliament election (b. 1990) |
|