The name Willis is a girl's name meaning "resolute protection".

Rare Names With Popular Nicknames

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A once popular, now more quietly used name for boys, this William diminutive has potential as a "grandpa" style name for girls. With elements of Willa, Willow, and Iris, Willis was occasionally used as a feminine name in the first half of the 20th century. 

Unique, Rare, and Unusual Girl Names

Willis

The name Willis peaked for girls at #1224 in 1901. Willis is occasionally used for boys in 2025.

The name Willis is a boy's name meaning "resolute protection".

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Names that Peaked in 1880

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Cat Names That Start With W

Names That Mean Protection

Names That Mean Resolute

A common surname that was popular as a given name in the late 19th and early 20th century, Willis dropped off the US Top 1000 back in the early 90s, just as alternative William diminutive, Liam, began to skyrocket. 
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Particularly popular among Amish people, Willis is still given to around 60 boys in each recent year.


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The name Willis is currently ranked #970 in U.S. births. and peaked for boys at #86 in 1880. It is currently rising in popularity. The name is most popular in WILLIS, WILLIS, and WILLIS. Willis is occasionally used for girls in 1989.

William

Year	US rank	Births	Per million
2014	—	0	0
2015	—	0	0
2016	—	0	0
2017	—	0	0
2018	—	0	0
2019	—	0	0
2020	—	0	0
2021	—	0	0
2022	—	0	0
2023	—	0	0
2024	—	0	0
2025	—	0	0

Willis

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