MallowbyNames

Heydy

HAY-dee · of uncertain origin; possibly a variant of Heidi or a modern spelling of Haydee.

Peak popularity
2007
Usually for
Girls
Trend
Holding steady

Holding steady.

Popularity of Heydy since 1993

Babies named Heydy per year in U.S. Social Security records.

61117200020102020Most births 2007Girls
Data table (by decade)
DecadeGirls
1990s24
2000s109
2010s35
2020s11

Meaning & origin

Heydy first appeared in U.S. naming records in 1993, a late 20th-century arrival that reflects the era's fondness for creative spellings of familiar names. Its peak year was 2007, when it reached its highest recorded usage, though it never entered the top 1000. The name has remained stable in the decades since, with no dramatic rise or fall. As a modern coinage, Heydy's etymology is speculative: it likely draws from the German Heidi (a diminutive of Adelheid, meaning 'noble') or the Spanish Haydee, derived from the Greek Haidee (meaning 'modest'). Because its true derivation is unclear, it is best categorized as a modern English invention. The name has no strong regional ties in the U.S., with no top states listed, indicating its use is scattered. Heydy appeals to parents who want a name that sounds familiar yet distinctive, blending a soft sound with a contemporary 'y' ending.

Heydy is a modern respelling, likely influenced by the German name Heidi (a diminutive of Adelheid) or the Spanish name Haydee (from Greek Haidee, meaning 'modest'). Its first recorded use in U.S. data is 1993, and it peaked in popularity in 2007. The name remains rare and is often chosen for its phonetic appeal.

Nicknames & variants

Nicknames: Hey, Dee

Variants: Heidi, Haydee, Heydi

Sibling names for Heydy

Names that share Heydy's style, for a brother or sister.

Sisters: Zoey, Kayla, Mia, Ava, Lily

Brothers: Jayden, Ethan, Caden, Noah, Liam

A parent animal hugging its little one, the personalized name page

H is for Heydy, our favorite little girl.

H is for Heydy…”

In a Mallowby alphabet book, Heydy's letter becomes Heydy's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Heydy's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Heydy mean?
The meaning is uncertain. It may be a variant of Heidi ('noble one') or Haydee ('modest'), but its origin is not definitively established.
How popular is the name Heydy?
Heydy is very rare. It was first recorded in U.S. data in 1993 and saw its highest usage in 2007. It remains uncommon and does not currently rank in the top 1000.
Is Heydy a boy or girl name?
Heydy is almost exclusively used for girls.