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| Name | Total | Name | Total | Name | Total | Name | Total | Name | Total |
|---|---|---|---|---|---|---|---|---|---|
| Isom | 7 | Innes | 3 | Isaac | 3 | Ireland, de | 1 | Italia, de | 1 |
| Ireland | 21 | Ingram | 8 | Iwardby | 2 | Iullung | 1 | Immel | 1 |
| Ivie | 130 | Irvine | 1 | Ivera | 3 | Irwin | 1 | Inyart | 1 |
| Isham | 16 | Ive | 2 | Ingaldesthorpe | 3 | Irby | 1 | Ingham | 1 |