Girl Name
Sunday
Sunday means “Day of the Sun”. It is used as a girl's name across several naming traditions, and it is rare in the United States today — outside the SSA top 1,000.
Origin and meaning: English Wiktionary (CC BY-SA 4.0). Popularity: US Social Security Administration.
Considering Sunday? It is a girl name whose meaning is "Day of the Sun", and ranks in our Rare popularity tier. Phonetically it shares territory with Shantay.
Sunday meaning, origin, and usage
Meaning: Day of the Sun
Origin: Multiple naming traditions are associated with this name.
Pronunciation: Baby Name Studio pronounces Sunday as S·U·N·D·A·Y, with 6 letters and a girl usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Sunday is an uncommon, standout choice in the Rare tier.
Sunday variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Sundaya, Sundaye, Sundayy, Sunda.
- Nicknames: Sun and S.
- Middle names: Pair Sunday with a middle name that balances its substantial sound; start with the Sunday middle name generator.
- Sibling names: Shantay, Sandie, Shanti, Senaida, Saint — full picks on the sibling names for Sunday guide for a cohesive sibset.
- Similar names: Looking for names that sound like Sunday? Browse our names like Sunday guide for phonetic-neighbor picks.
- Explore more: use the Baby Name Explorer, name search, AI name generator, and Baby Name Studio homepage.
Frequently asked about Sunday
What does the name Sunday mean?
Sunday means "Day of the Sun". The meaning is recorded in English Wiktionary (CC BY-SA 4.0), and in US records Sunday is used as a girl name.
What is the origin of Sunday?
The exact origin of Sunday is debated, but it has been used across multiple naming traditions.
How do you pronounce Sunday?
Sunday has 6 letters and is most commonly stressed on the first syllable.
Is Sunday a boy's or girl's name?
Sunday is primarily used as a girl's name in US records.
How popular is Sunday in 2026?
In our 2026 popularity tracker, Sunday sits in the Rare tier — an uncommon, standout choice.
What names are similar to Sunday?
Names that share Sunday's sound and style include Shantay, Sandie, Shanti, Senaida, Saint.
What middle names pair well with Sunday?
Good middle-name fits for Sunday pair an opposite syllable rhythm: if Sunday is short, lean longer (e.g. classical or three-syllable middles); if Sunday is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Sunday?
Sibling names that pair naturally with Sunday share its rhythm without rhyming — Shantay, Sandie, Shanti all sit comfortably alongside it on a shortlist.