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Dillan can be an alternative spelling of Dillon, an Irish baby name, or Dylan, a Welsh baby name. Both names sound alike but have different meanings. Either way, it was quite a trendy name throughout the 1990s and 2000s, and even though Dylan and Dillon remain very popular in the United States, Dillan kind of fell out of favor in 2010. We could see it making a comeback for girls or boys, even though it was largely thought to be a boys' name in the past.

Meaning of the name Dillan:

Irish: Loyal
Welsh: Son of the sea

Origin of the name Dillan:

Dillan is one alternative spelling of the Irish name Dillon, which means “faithful.” It's also a possible alternative spelling of Dylan, a Welsh name that means “son of the sea.” Dylan is the name of a character from Welsh mythology.

Symbolism of the name Dillan:

New parents may choose Dillan to honor their Welsh or Irish heritage. It could also be symbolic of the sea or swimming. Perhaps new parents want to see their baby boy keep swimming through life. As an Irish name, Dillan could be a symbol of loyalty.

Style of the name Dillan:

Trendy, new age

Gender of the name Dillan:

Dillan is a unisex baby name, though it's more common for boys.

Pronunciation of the name Dillan:


Number of syllables in the name Dillan:


Emotion evoked from the name Dillan:

The baby name Dillan evokes images of someone who is studious and intelligent.

Alternative spellings for the name Dillan:

Nicknames for the name Dillan:

  • Dill

Popularity of the name Dillan:

According to the Social Security Administration, Dillan was a top 1,000 baby name for boys between 1991 and 2010. It was most popular in 1992 when it ranked at number 553. It last ranked at number 984 in 2010.

Related names for the name Dillan:

Great middle names for Dillan and their meanings:

Famous people with the name Dillan:

Dillans in popular culture:


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