Head to head · Boys' names
Francis vs Killian
#420 vs #417 in 2025
Killian is a whisker ahead (#417 vs #420 in 2025), but the curves point different ways: Killian is stepping back from its peak, Francis is holding its place on the charts. On momentum, Francis has the edge.
Cast your vote
Which one would you pick?
Your gut first, the numbers after — the split shows once you pick.
The tale of the tape
On the charts, Francis leads 4 measures of 6; Killian leads 2.
Ranks, counts and years are measured in the official US birth record; the classroom and living figures are estimates computed from it. The dot marks the side each measure favours on the charts — more common, not better.
What the records say
146 years of US births, drawn on one scale
Two curves, one scale
Who owned which decade
- 1880s: Francis #56, Killian — — Francis higher
- 1890s: Francis #46, Killian — — Francis higher
- 1900s: Francis #36, Killian — — Francis higher
- 1910s: Francis #32, Killian #3825 — Francis higher
- 1920s: Francis #36, Killian #4286 — Francis higher
- 1930s: Francis #48, Killian — — Francis higher
- 1940s: Francis #71, Killian — — Francis higher
- 1950s: Francis #105, Killian — — Francis higher
- 1960s: Francis #161, Killian — — Francis higher
- 1970s: Francis #223, Killian — — Francis higher
- 1980s: Francis #244, Killian #3726 — Francis higher
- 1990s: Francis #355, Killian #1114 — Francis higher
- 2000s: Francis #545, Killian #1008 — Francis higher
- 2010s: Francis #525, Killian #508 — Killian higher
- 2020s: Francis #456, Killian #370 — Killian higher
Francis stood higher in 13 of 15 decades; Killian has held the lead since the 2010s.
Rank by decade
| Decade | Francis | Killian |
|---|---|---|
| 1880s | #56 | — |
| 1890s | #46 | — |
| 1900s | #36 | — |
| 1910s | #32 | #3825 |
| 1920s | #36 | #4286 |
| 1930s | #48 | — |
| 1940s | #71 | — |
| 1950s | #105 | — |
| 1960s | #161 | — |
| 1970s | #223 | — |
| 1980s | #244 | #3726 |
| 1990s | #355 | #1114 |
| 2000s | #545 | #1008 |
| 2010s | #525 | #508 |
| 2020s | #456 | #370 |
Average national rank across each decade. A dash means the name sat outside the recorded top of that decade.
The names themselves
Meaning, roots, sound and the people who carried each
Where each name comes from
Francis
Frenchman; from France
From Latin Franciscus. The Italian form Francesco was a nickname given to the young man of Assisi later canonized as Francis, whose family had strong French trade connections; the name he was born with was Giovanni.
Franciscus → Francesco → Francis → Frances
How it traveled
Latin Franciscus meant simply "a Frank," a Frenchman, and for a long time it was a byname rather than a given name. That changed in the thirteenth century with Francis of Assisi, the merchant's son who founded the Franciscan order; his followers carried the name across Catholic Europe, where it settled into Francesco, Francisco, François and Franz.
Killian
linked either to the Irish word for church or to a root meaning strife
One reading traces Cillian to Old Irish cell, 'church' or 'monastic cell', giving a sense of 'of the church' — fitting for a name spread by missionaries. The other traces it to the personal name Ceallach, whose own meaning is disputed between 'strife' and, again, 'church'. Scholars have not settled it, and both readings sit inside the same small cluster of early Irish words.
Ceallach → Cillian → Kilian → Killian
How it traveled
The name begins as Cillian in early medieval Ireland, in the era when Irish monks were crossing into continental Europe. One of them, Kilian, reached Franconia in the seventh century and was killed at Würzburg; his cult made the name a permanent German fixture as Kilian, complete with a summer feast day still marked in the city.
Where a reading is contested the note says so — this page does not turn a guess into a fact. The chain is each name's recorded forms, oldest first; the story is its opening, told in full on the name's own page.
Out loud, and in short
Francis
FRAN-sis
Stress on the first syllable. Identical in sound to the feminine Frances in American English — the difference lives entirely in the spelling.
- Frank — The long-standing short form, and a fully established given name in its own right for generations of American men.
- Frankie — Informal and affectionate; used for both Francis and Frances, and increasingly given on its own to girls and boys alike.
- Fran — Informal and unisex, since it also serves as the short form of Frances and Francesca.
- Franny — Family-level nickname, mostly childhood.
- Also Cisco.
Killian
KIL-ee-un
Three light syllables with the stress on the first. The Irish Cillian is said the same way, so switching spellings changes nothing you hear.
- Kil — The most obvious clipping, used informally within families rather than as a standalone name.
- Killy — Informal and affectionate, common in childhood and often dropped later.
- Kili — A softer written form of the same clipping; not established as an independent given name in English.
Is it right for you
The differences that decide it, laid out by what you want
Choose by what you want
Choose Francis if you want…
- a name on the way upup 61 places on the charts in five years
- plenty of nickname options5 recorded short forms — Frank, Frankie and Fran
- a long American recordFrancis was already in use when US records began in 1880
- a name that ages quietlyan estimated 12% chance of feeling dated by 2040, against 40% for Killian
Choose Killian if you want…
- a name past its most crowded yearsKillian is stepping back from its peak
- a newer arrivalKillian entered the US charts in 1915
- a name that feels very nowKillian is stepping back from its peak
Each line is a measured difference between the two names — a rank, a count, a recorded form — never a judgement of either. Save the one that answers your question; it lands on your shortlist.
The trade-offs, name by name
Francis
Strengths
- An unbroken written record from the thirteenth century onward, in continuous use in English since the Tudor era.
- Instantly recognizable across Italian, Spanish, French, German and Polish, so it travels without needing translation.
- Comes with ready-made short forms — Frank, Frankie, Fran — each of which stands perfectly well alone.
To consider
- Francis and Frances sound exactly alike in American English, so the spelling will be queried on forms, in emails and by teachers for life. Many people simply assume the -es version.
- It is strongly represented among older generations, so it may read as a grandfather's name to some ears — though that is precisely the pattern that has brought other names back around.
- The link to Francis of Assisi and to a sitting pope is close enough that some will hear the name as an explicitly Catholic choice, whether or not you mean it that way.
Killian
Strengths
- One pronunciation, stated by the spelling — people rarely need to be corrected twice.
- A documented line back to early medieval Ireland, with an unbroken German life through the saint of Würzburg.
- Works across Irish, German, French and Central European forms, all recognizable to an English speaker.
To consider
- The first four letters spell an English word, and children notice that sort of thing. It passes quickly for most, but it is the one thing worth saying aloud before you decide.
- Killian and Cillian now compete, and the Irish spelling has grown visible enough that you should expect to specify which one you mean — at the pediatrician, on forms, in email.
- Its American wave is recent, so most people carrying it are still young. That means fewer adult namesakes to point to, and a name that reads as contemporary rather than inherited.
Documented properties of each name — how it spells, travels and shortens — not opinions about the child.
How each is likely to age
Francis
12%chance Francis feels dated by 2040
Francis has held the top-100 across 7 different decades — it has never depended on fashion, and names like that read the same at any age.
Killian
40%chance Killian feels dated by 2040
Killian sits in the calm middle of the cycle — neither chasing a wave nor sliding off one. Middle-of-the-cycle names age slowly and predictably.
A reading of where each name sits on the long naming cycle — computed, not measured, and explained on the data page.
With your last name
Say both in full. The notes are facts about letters and sound — a rhyme, a shared initial, the monogram — not a verdict on either name.
Type a last name to hear Francis and Killian in full.
Weighing the whole shortlist? Run the full comparison — up to eight names with your last name, initials, classroom projections and a printable report.
Decide together
Nobody names a baby alone
Still torn between Francis and Killian?
Put both to the vote.
One link to your partner, your parents, your sister. Each of them gets the two names, a one-tap answer and room to say why — and every reply lands in one place.
Free to start · no account needed · everyone you invite votes in one tap
More than two in the running? Settle it with a bracket or run the full comparison with your last name.
More head-to-heads
Same measures, different pair. Sixty more are dealt daily in the arena.
Lists these names appear on
- Classics hiding in plain sight
- Greatest Generation names (born 1901–1927)
- Saint names in modern use
- Names that belong entirely to the 1910s
- all guides
Where Francis and Killian each sit in the library — alternatives in the same style, ranked by the same records.
Francis or Killian — the short answers
- Which is more popular, Francis or Killian?
- Killian, in 2025: Killian ranked #417 with 770 babies; Francis ranked #420 with 769 babies.
- Which name is rising faster, Francis or Killian?
- Francis. Over the last five years Francis moved up 61 places; Killian moved down 65 places.
- Which is the older name, Francis or Killian?
- Francis was already in use when US records began in 1880; Killian entered the US charts in 1915. On the American record, Francis is the older name.
- How many people are named Francis and Killian?
- About 107,000 people named Francis are estimated to be alive in the US today. About 16,000 people named Killian are estimated to be alive in the US today.
- Will there be other Franciss or Killians in the classroom?
- Francis will almost certainly be the only one in school. Killian will almost certainly be the only one in school.
US figures from the Social Security Administration, 1880–2025. Votes are battle voters on this site, not the birth record. Data & methodology
Keep playing
Sixty more head-to-heads are dealt in the arena every day — or line up Francis, Killian and the rest of your shortlist with your last name in one printable report.
Free to start · no account needed · everyone you invite votes in one tap