I want to know what country the name of "Dooris" originates from.Is is
from a European country?

It appears that the surname Dooris is from Ireland.


International Genealogical Index - British Isles 
http://www.familysearch.org/Eng/Search/ancestorsearchresults.asp

 44. Andrew Dooris - International Genealogical Index / BI
Gender: Male Birth: 25 JUN 1877 Kiltacreeva, , Longford, Ireland
 
 45. ANN DOORIS - International Genealogical Index / BI
Gender: Female Birth: 25 DEC 1866 High Church, Paisley, Renfrew, Scotland
 
 46. ANN DOORIS - International Genealogical Index / BI
Gender: Female Birth: 20 DEC 1869 Milton, Glasgow, Lanark, Scotland
 
 47. Anna Dooris - International Genealogical Index / BI
Gender: Female Birth: 1832 Main Street, Larne, Antrim, Ireland
 
 48. ANNE DOORIS - International Genealogical Index / BI
Gender: Female Birth: 01 NOV 1865 0472, Coagh, Tyrone, Ireland
 
 49. ANNE DOORIS - International Genealogical Index / BI
Gender: Female Birth: 07 JUL 1869 , Longford, Ireland
 
 50. ANNE DOORIS - International Genealogical Index / BI
Gender: Female Birth: 01 APR 1870 , Longford, Ireland
 
 51. Anne Dooris - International Genealogical Index / BI
Gender: Female Birth: 21 MAR 1877 Ring, , Fermanagh, Ireland
 
 52. Anne Dooris - International Genealogical Index / BI
Gender: Female Birth: 11 JUN 1879 Aughakeeran, , Longford, Ireland
 
 53. Anne Jane Dooris - International Genealogical Index / BI
Gender: Female Birth: 26 FEB 1877 , Longford, Ireland
 
 54. Bernard Dooris - International Genealogical Index / BI
Gender: Male Birth: About 1836 Dungannon, Tyrone, Ireland
 
 55. BERNARD DOORIS - International Genealogical Index / BI
Gender: Male Birth: 22 JAN 1864 0734, Dungiven, Londonderry, Ireland
 
 56. BERNARD DOORIS - International Genealogical Index / BI
Gender: Male Birth: 26 FEB 1864 0733, Dungiven, Londonderry, Ireland
 
 57. Bernard Dooris - International Genealogical Index / BI
Gender: Male Birth: 22 MAY 1876 Brienstown, , Longford, Ireland
 
 58. BIDDY DOORIS - International Genealogical Index / BI
Gender: Female Birth: 11 MAR 1865 0212, Ballinalee, Longford, Ireland
 
 59. Bridget Dooris - International Genealogical Index / BI
Gender: Female Birth: 1845 Of, , Donegal, Ireland
 
 60. BRIDGET DOORIS - International Genealogical Index / BI
Gender: Female Birth: 01 JUL 1864 0248, Drumlish, Longford, Ireland
 
 61. BRIDGET DOORIS - International Genealogical Index / BI
Gender: Female Birth: 24 OCT 1868 , Longford, Ireland
 
 62. BRIDGET DOORIS - International Genealogical Index / BI
Gender: Female Marriage: 09 FEB 1869 Dundee, Angus, Scotland
 
 63. Bridget <Dooris> - International Genealogical Index / BI
Gender: Female Birth: 22 AUG 1873 240, Killashee, Longford, Ireland
 
 64. Bridget Dooris - International Genealogical Index / BI
Gender: Female Birth: 17 APR 1873 , Longford, Ireland
 
 65. Catherine <Dooris> - International Genealogical Index / BI
Gender: Female Birth: 23 JUN 1872 187, Ballinalee, Longford, Ireland
 
 66. Catherine Dooris - International Genealogical Index / BI
Gender: Female Birth: 23 MAR 1877 Derryork, Londonderry, Ireland
 
 67. Catherine Dooris - International Genealogical Index / BI
Gender: Female Birth: 17 JUN 1877 , Longford, Ireland
 
 68. Catherine Dooris - International Genealogical Index / BI
Gender: Female Birth: 10 APR 1880 Tamaghtfinlagan, , Londonderry, Ireland


Does this answer your question?

Thanks, Bobbie7

well I am Andrew Dooris and I am greek and I know my surname comes
from where my grandfather came from on the Island of Kythira there is
a now small village called Dooryanika, so we're the Dooris' from
Dooryanika.