Baby Name Popularity Profile

Killian

Data-driven SSA statistics, rankings, and historical trends for Killian.

✦ Small church 🌍 Irish traditional spiritual
National Rank (2025) #418
All-Time Peak Rank #248 Achieved 2017
Total U.S. Births 16,219 since 1880
Unisex Distribution 97.7% Boy / 2.3% Girl Overwhelmingly Male
First Recorded 1915 Last seen: 2025
Peak Decade 2010s 1,506 births in 2017
💡 The Killian Vibe: Considered a Modern Trend. A contemporary choice reflecting current cultural naming rhythms and popularity brackets.

🌍 Meaning & Etymology

Primary Meaning Small church
Language Origin Irish
Origin Type single
Derived from the Irish name Cillian, a diminutive of 'cill' meaning 'church' or 'cell'.
Common Nicknames
Killy Ian
Alternative Spellings
Cillian Kilian
Pronunciation: KIL-ee-an
Themes & Categories
traditional spiritual
Etymology confidence: High

📖 The Story Behind Killian

According to SSA data, Killian achieved its highest historical rank of #248 in 2017. Its highest annual registration volume occurred in 2017 with 1,506 babies. Between 2015 and 2025, modern registrations have decreased by 21.1%. Overall, the name has maintained a ranked presence for 44 consecutive years.

📊 Factual Timeline & Current Trajectory (1880 – 2025)

Registration footprint of Killian across 145 years of SSA data.

5-Year Trajectory Declining
10-Year Shift -21.1% Decline
18801920196020002025

📈 Popularity Milestones & Volatility

Busiest Year on Record 1,506 births in 2017
Years in Top 100 0 yrs
Years in Top 500 11 yrs
Registry Streak 44 yrs
Historical Volatility Highly Volatile
Largest 1-Year Jump N/A
Decade-by-Decade Registration Volumes
1880s: 0
1890s: 0
1900s: 0
1910s: 5
1920s: 5
1930s: 0
1940s: 0
1950s: 0
1960s: 0
1970s: 0
1980s: 132
1990s: 1,090
2000s: 1,824
2010s: 7,883
2020s: 5,280

📐 Sound & Spelling Structure

Phonetic Syllables Kil-lian
Letter Count 7 letters
Spelling Complexity Moderate
Length Percentile Longer than 54.1% of names
Linguistic Profile: Longer than 54.1% of SSA names. Starts with K, a letter used by only 7.8% of SSA names.

🛠️ Sibling & Surname Cadence Tool

Enter a surname or sibling name to test how it pairs with Killian.

📍 Authentic State & Regional Rankings

Highest Ranking State Alaska
Top States Alaska, Nevada, Arizona, Colorado, Washington
States with Data 50
State 2025 Rank Total Births Peak Year 5-Yr Velocity
Alaska Unranked 90 2015 Insufficient historical volume
Nevada #345 121 2018 Insufficient historical volume
Arizona #385 436 2017 Insufficient historical volume
Colorado #323 377 2018 20.0% Decline
Washington #357 504 2017 38.2% Decline
Idaho #403 114 2018 Insufficient historical volume
Florida #382 956 2017 1.9% Decline
Oregon #301 248 2016 Insufficient historical volume
New Hampshire Unranked 82 2015 Insufficient historical volume
Utah #395 213 2016 Insufficient historical volume
Montana Unranked 62 2017 Insufficient historical volume
Virginia #373 422 2016 33.3% Decline
New Mexico #341 96 2016 Insufficient historical volume
Missouri #358 394 2017 30.8% Decline
North Carolina #346 499 2016 Insufficient historical volume
Wyoming Unranked 23 2017 Insufficient historical volume
Kansas #451 172 2016 Insufficient historical volume
Tennessee #424 339 2017 Insufficient historical volume
Ohio #362 728 2017 6.1% Decline
North Dakota Unranked 53 2016 Insufficient historical volume
Oklahoma #286 210 2016 Insufficient historical volume
Indiana #401 364 2017 Insufficient historical volume
Vermont #115 25 2018 Insufficient historical volume
Pennsylvania #407 769 2017 36.6% Decline
Georgia #509 399 2017 30.0% Decline
Maryland #492 210 2016 Insufficient historical volume
Texas #553 1,053 2017 7.9% Decline
Nebraska #408 98 2016 Insufficient historical volume
Hawaii Unranked 41 2015 Insufficient historical volume
Michigan #321 491 2017 +11.5% Growth
South Carolina #379 187 2016 Insufficient historical volume
Massachusetts #303 315 2017 26.9% Decline
Wisconsin #460 253 2016 59.3% Decline
California #554 1,260 2017 9.8% Decline
Kentucky #302 211 2018 Insufficient historical volume
West Virginia #280 108 2017 Insufficient historical volume
Connecticut #373 121 2019 Insufficient historical volume
Iowa #469 142 2017 Insufficient historical volume
New York #376 792 2019 4.1% Decline
Minnesota #612 185 2019 Insufficient historical volume
Illinois #424 493 2016 16.1% Decline
Arkansas #600 104 2016 Insufficient historical volume
South Dakota #242 32 2019 Insufficient historical volume
New Jersey #559 226 2023 Insufficient historical volume
Alabama #503 140 2018 Insufficient historical volume
Louisiana #726 128 2017 Insufficient historical volume
Delaware Unranked 14 2023 Insufficient historical volume
Maine Unranked 29 2019 Insufficient historical volume
Mississippi Unranked 57 2019 Insufficient historical volume
Rhode Island Unranked 7 2018 Insufficient historical volume

👨‍👩‍👧 Sibling Name Suggestions

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👧 Sister Suggestions
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