Last name: OBRIEN

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All you have to know about the last name OBRIEN
Last name frequency
OBRIEN : This last name is indexed 74,358 times on Geneanet!Variants of last name
The spelling of names may have changed over the centuries. Knowing these names variants will help you build your family tree.
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Most popular first names
- John (4,924)
- Mary (4,609)
- William (2,710)
- James (2,588)
- Michael (2,501)
- Patrick (2,425)
- Margaret (2,402)
- Thomas (2,136)
- Bridget (2,034)
- Catherine (1,866)
- Ellen (1,647)
- Jack (887)
- Daniel (835)
- Anne (823)
- Edward (598)
- Elizabeth (557)
- Charles (541)
- Johanna (511)
- Kate (485)
- Martin (452)
- Denis (439)
- Jeremiah (405)
- George (394)
- Sarah (383)
- Timothy (383)
- Julia (374)
- Mary Anne (367)
- Henry (324)
- Joseph (321)
- Eliza (320)
- Peter (316)
- Honora (314)
- Jane (308)
- Cornelius (293)
- Annie (289)
- Maria (268)
- Pat (265)
- Ann (243)
- Mary Ann (240)
- Alice (237)
- Morgan (237)
- Keith (215)
- Frank (213)
- Richard (202)
- Francis (191)
- Patt (190)
- Robert (190)
- Hanora (180)
- Mary Jane (177)
- Jack Jack (174)
- Catharine (172)
- David (164)
- Terence (162)
- Mary Ellen (153)
- Agnes (143)
- John Joseph (143)
- Mathew (139)
- Stephen (138)
- Susan (138)
- Edmond (133)
Most indexed places
- Ireland (2,536)
- Cork (1,698)
- Limerick (1,698)
- Clare (1,122)
- Dublin (1,050)
- Tipperary (848)
- Dublin, County Dublin (812)
- Mayo (633)
- New York (577)
- Missouri (547)
- Melbourne (535)
- Limerick, County Limerick (423)
- Carlton (410)
- Ballarat (394)
- Waterford (369)
- Chicago (336)
- New (332)
- Richmond (324)
- Victoria (299)
- Washington (285)
- Geelong (257)
- Bendigo (252)
- Kerry (250)
- Sligo (247)
- Sycamore (243)
- County Tipperary (239)
- Fitzroy (227)
- Denver (226)
- St Francis Melbourne (223)
- Galway (221)
- Salt Lake City (215)
- Liverpool (214)
- Kilrush (209)
- Philadelphia (206)
- Collingwood (187)
- Irel (178)
- Paris (162)
- Roscommon (160)
- London (156)
- Belfast, Antrim (150)
- Milltown Malbay, County Clare (146)
- Cavan (145)
- Askeaton (142)
- Askeaton, County Limerick (142)
- Wexford (142)
- Melbourne East (141)
- Kew (140)
- Prahran (138)
- Roman Catholic, Boyle (134)
- Sandhurst (129)
- Heidelberg (128)
- Salt (128)
- Louth (125)
- Park (125)
- Leinster (124)
- No 4, Dub (122)
- Buffalo (118)
- Munster (117)
- Corrofin, County Clare (112)
- Miltown Malbay (112)
Most indexed countries
- Ireland (34,940)
- Australia (19,345)
- United States (13,150)
- United Kingdom (3,921)
- France (767)
- Canada (375)
- New Zealand (252)
- Switzerland (161)
- Netherlands (98)
- Germany (92)
- Italy (79)
- Gibraltar (50)
- Spain (38)
- Unknown country (29)
- Mexico (27)
- India (26)
- Belgium (18)
- Colombia (18)
Available collections for this name
- Archives
(58,371) - Newspapers
(10,117) - Family Trees
(4,997) - Books
(464) - Other
(354) - Obituaries
(20) - Cemeteries
(19) - Magazines
(14) - Coats of Arms
(1) - Memorials
(1)