To 【涂】レベル1
Very rare
The Japanese surnames etymology dictionary.
吐田 reference.
2020年 8月 15日 更新
To 【凃】レベル1
Very rare are variants.
Umefune 【梅舟】レベル1
Very rare, Tokou 【涂洪】レベル1
Very rare, Hanto 【范涂】レベル1
Very rare are referenced.