These names have been taken from secondary sources and could be wrongly projected, therefore please recheck with Friends and your family members before naming your child.
| Name | Gender | Meaning | |
| UdayaSooriyan | boy | Rising Sun | U |
| Udumban | boy | With Determination; Focussed | U |
| UlagaMuthu | boy | Gem of the World | U |
| Ulagan | boy | Worldly | U |
| Ulaganathan | boy | Master of the World | C |
| Ulagappan | boy | Creator of the World | U |
| Ulagarasan | boy | King of the World | U |
| Ulamaaran | boy | Brave | U |
| Umaiappan | boy | God Sivan | U |
| Umaiyavan | boy | God Sivan | U |
| UnmaiVilambi | boy | Truthful | C |
| UnmaiVirumbi | boy | Truthful | C |
| Uthaman | boy | Truthful | C |
Please comment on the above names. Please point out any errors & also please tell us how common / unique these tamil baby boy names are