Last Names Starting with I

1,285 surnames found in U.S. Census data starting with I. Sorted by Census rank.

Rank	Name	Est. Bearers	Per 100K	Rarity
#484	Ingram	78,969	23.51	Uncommon
#507	Ibarra	75,240	22.40	Uncommon
#1019	Irwin	39,064	11.63	Uncommon
#1474	Inman	27,577	8.21	Uncommon
#1546	Ivey	26,502	7.89	Uncommon
#1695	Irvin	24,218	7.21	Uncommon
#1898	Isaac	21,531	6.41	Uncommon
#2290	Ibrahim	18,138	5.40	Uncommon
#2346	Iverson	17,702	5.27	Uncommon
#2422	Isaacs	17,030	5.07	Uncommon
#2433	Irving	16,963	5.05	Uncommon
#2445	Ireland	16,862	5.02	Uncommon
#2560	Irizarry	16,056	4.78	Uncommon
#2667	Ivy	15,384	4.58	Uncommon
#3138	Irby	13,100	3.90	Uncommon
#3252	Infante	12,630	3.76	Uncommon
#3354	Islam	12,159	3.62	Uncommon
#3387	Iglesias	12,025	3.58	Uncommon
#3409	Ingle	11,958	3.56	Uncommon
#3488	Israel	11,655	3.47	Uncommon
#3535	Isom	11,488	3.42	Uncommon
#3594	Isbell	11,286	3.36	Uncommon
#3769	Irvine	10,715	3.19	Uncommon
#3853	Islas	10,480	3.12	Uncommon
#4057	Iniguez	9,976	2.97	Rare
#4121	Ibanez	9,808	2.92	Rare
#4317	Ives	9,371	2.79	Rare
#4628	Isaacson	8,733	2.60	Rare
#4804	Irons	8,364	2.49	Rare
#4813	Irish	8,364	2.49	Rare
#4893	Ivory	8,196	2.44	Rare
#5213	Ison	7,625	2.27	Rare
#5394	Ingalls	7,356	2.19	Rare
#5449	Ingersoll	7,289	2.17	Rare
#5469	Izaguirre	7,255	2.16	Rare
#5566	Ingraham	7,121	2.12	Rare
#5594	Ignacio	7,087	2.11	Rare
#5668	Ismail	6,987	2.08	Rare
#5791	Izquierdo	6,819	2.03	Rare
#5970	Iqbal	6,550	1.95	Rare
#6880	Im	5,576	1.66	Rare
#7098	Izzo	5,374	1.60	Rare
#7536	Ivie	5,038	1.50	Rare
#7644	Ito	4,938	1.47	Rare
#7796	Ippolito	4,837	1.44	Rare
#7988	Isham	4,703	1.40	Rare
#8110	Issa	4,669	1.39	Rare
#8295	Ice	4,535	1.35	Rare
#8369	Iyer	4,501	1.34	Rare
#8605	Ivanov	4,367	1.30	Rare