Last name Groogan (Groogan 
) , in the world, is a very rare surname. The family name Groogan is characteristic of Ireland, where it is a rare surname, the United Kingdom, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Groogan | United Kingdom, United States, Ireland |
| patsy groogan British politician and hurling coach |
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| bill groogan college basketball player (1955–1957) Texas |
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| cora groogan Northern Irish election candidate |
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