Last names beginning with O

Last names from ONEAIL to ONIZUKA

Each of the names is displayed with corresponding data on the name's rank and the number of time it shows up in census. Some surnames are also augmented with information about their origins and meanings. Names are sorted in alphabetical order.

Name	Rank	Rank	Delta	Count	Origin	Meaning
	2000 census	1990 census	in rank	2000 census
Oneail	108,734			151
Oneal	680	540		46,161	Irish
Oneale	88,083	80,294		196	Irish
Oneall	44,895			450
Oneel	68,360	61,444		269
Oneida	140,756			109
Oneil	1,145	978		28,020		The descendants of '...
Oneill	633	768		48,656	Jewish
Onell	64,186	31,399		290	Hungarian
Oner	113,519			143
Ones	141,788			108
Onesko	144,908			105
Onesti	70,273			260
Onesto	77,742			229
Oneto	46,944			426	Spanish
Oney	8,861	9,519		3,399
Ong	4,343	6,682		7,572	Chinese	This is the most com...
Ongaro	86,341			201	Italian
Ongley	78,035			228
Oni	68,973			266	Russian

Name	Rank	Rank	Delta	Count	Origin	Meaning
	2000 census	1990 census	in rank	2000 census
Oniel	35,288	19,518		604
Oniell	55,732	23,524		344
Onifer	139,757			110
Onik	146,011			104
Onion	65,133			285	Welsh	The son of Enion, a ...
Onions	124,109			128	Welsh	The son of Enion, a ...
Onishchenko	132,259			118
Onishi	33,735	37,230		637	Japanese
Onisko	133,114			117		Name ONISKO is a Lat...
Onizuka	118,236			136	Japanese