Greetings!

Here’s section U from the first list.

Uberto
Ubrecht
Ucello
Uegeddi
Ufitzi
Ulf
Ulfbearn
Ulffarr
Ulfgar
Ulfmond
Ulianna
Ulloa
Ulman
Ulmer
Ulrick
Ulriticus
Ultramarine
Umber
Umbite
Umeko
Umi
Umm
Uncial
Uncle Pom
Underfoot
Unser
Unspotted
Uplift
Uplifting
Urda
Urdy
Urs
Ursus
Usson
Utanssa
Ute (Oo-tah)
Uther
Utica
Utrecht

Here’s section U from the second list.

Uaru
Ubly
Udela
Udvar
Uganda
Uher
Uhlee
Ukraine
Ularu
Ulva
Umami
Umbria
Umbriel
Unas
Unger
Universal
Unova
Unst
Upgrade
Upright
Upshaw
Upsilon
Urbanna
Urbina
Urdu
Urschel
Uruguay
Utley
Uvalde
Uzbek
Uzoma

Enjoy!
S