Montana Baby Names: Trends & Data (1910–2025)
Boys
Montana's male baby naming trends reveal significant shifts over decades. In 2025, Oliver was the top name with 62 births, a stark contrast to the 1950s when Robert dominated. Looking back 30 years, James has seen the fastest rise, climbing 6 rank positions. Conversely, Matthew experienced the biggest decline, dropping 16 rank positions, illustrating dynamic changes in popular choices across the century.
Girls
Montana's female baby naming trends reveal significant shifts over decades. In 2025, Charlotte emerged as the top choice with 46 births, a notable departure from Mary's widespread popularity throughout the 1950s. Comparing current data to 30 years ago, Madison has seen the fastest ascent, climbing 10 rank positions. Meanwhile, Sarah experienced the biggest decline, dropping 11 rank positions, underscoring the evolving nature of parental preferences across generations.
#1 Boy (2025)
Oliver
#1 Girl (2025)
Charlotte
Fastest Rising
James
↑ +6
Biggest Decline
Matthew
↓ −16
Longest #1 Run
Robert
4 decades at #1
Total Births (2025)
2,361
births tracked
Fastest Rising
Madison
↑ +10
Biggest Decline
Sarah
↓ −11
Longest #1 Run
Mary
4 decades at #1
Total Births (2025)
1,788
births tracked
How the Most Popular Names Changed Over Time
Popularity by decade — lower ranks indicate greater popularity (#1 is the most popular name).
| Decade | Liam | Robert | Mason | Michael | Theodore |
|---|---|---|---|---|---|
| 1910s | — | Rank #3 | — | — | — |
| 1920s | — | Rank #1 | — | — | — |
| 1930s | — | Rank #1 | — | — | — |
| 1940s | — | Rank #1 | — | Rank #10 | — |
| 1950s | — | Rank #1 | — | Rank #5 | — |
| 1960s | — | Rank #4 | — | Rank #1 | — |
| 1970s | — | Rank #7 | — | Rank #1 | — |
| 1980s | — | Rank #13 | — | Rank #1 | — |
| 1990s | — | — | — | Rank #2 | — |
| 2000s | — | — | — | Rank #4 | — |
| 2010s | Rank #1 | — | Rank #4 | Rank #14 | — |
| 2020s | Rank #6 | — | — | — | Rank #5 |
Baby Names by Decade
Most popular · Runner-up per decade
Biggest Name Shifts
Names that climbed or fell the most in popularity
James
+6 rank positions · since 1990sMatthew
-16 rank positions · since 1980sMadison
+10 rank positions · since 1990sSarah
-11 rank positions · since 1980sHow Montana Compares to the Nation
Names that rank notably higher or lower here vs. the U.S. overall
More Popular in Montana
- Boone#99 here · #425 nationally↑ +326
- Hank#93 here · #411 nationally↑ +318
- Cash#100 here · #286 nationally↑ +186
- Callahan#79 here · #227 nationally↑ +148
- Colter#10 here · #157 nationally↑ +147
Less Popular in Montana
- Sebastian#90 here · #16 nationally↓ −74
- Luca#82 here · #14 nationally↓ −68
- Mateo#58 here · #8 nationally↓ −50
- David#80 here · #35 nationally↓ −45
- Anthony#91 here · #46 nationally↓ −45
More Popular in Montana
- Quincy#88 here · #810 nationally↑ +722
- Opal#99 here · #422 nationally↑ +323
- Bonnie#82 here · #391 nationally↑ +309
- Murphy#87 here · #396 nationally↑ +309
- Adelaide#79 here · #290 nationally↑ +211
Less Popular in Montana
- Mia#97 here · #6 nationally↓ −91
- Sofia#78 here · #9 nationally↓ −69
- Layla#94 here · #36 nationally↓ −58
- Delilah#92 here · #51 nationally↓ −41
- Scarlett#69 here · #31 nationally↓ −38
Top 100 Baby Names in Montana
Most popular names in 2020–2025, ranked by total births
Top 10
- #1Oliver62#3
- #2Henry58#5
- #3William52#9
- #4Hudson45#17
- #5Theodore45#4
- #6James44#6
- #7Waylon43#56
- #8Weston43#55
- #9Cooper41#27
- #10Colter39#157
Names #11–100
- #11 Liam
- #12 Miles
- #13 Owen
- #14 Maverick
- #15 Asher
- #16 Jack
- #17 Beau
- #18 Benjamin
- #19 Brooks
- #20 Bennett
- #21 Noah
- #22 Thomas
- #23 Walker
- #24 John
- #25 Leo
- #26 Wesley
- #27 Samuel
- #28 Silas
- #29 Wyatt
- #30 Archer
- #31 Elijah
- #32 Luke
- #33 Sawyer
- #34 Alexander
- #35 Everett
- #36 Lucas
- #37 Rowan
- #38 Arthur
- #39 Daniel
- #40 Ezra
- #41 Grayson
- #42 Levi
- #43 Carter
- #44 Jackson
- #45 Elias
- #46 Hayes
- #47 Lincoln
- #48 Stetson
- #49 Charles
- #50 Michael
- #51 Mason
- #52 Barrett
- #53 Matthew
- #54 Nolan
- #55 Jasper
- #56 Joseph
- #57 Logan
- #58 Mateo
- #59 Milo
- #60 Rhett
- #61 River
- #62 Easton
- #63 Emmett
- #64 Jesse
- #65 Tate
- #66 Callum
- #67 Calvin
- #68 Colton
- #69 Dean
- #70 Declan
- #71 Gabriel
- #72 Hunter
- #73 Isaac
- #74 Roman
- #75 Ryker
- #76 Atlas
- #77 Beckett
- #78 Braxton
- #79 Callahan
- #80 David
- #81 Knox
- #82 Luca
- #83 Myles
- #84 Vincent
- #85 August
- #86 Christopher
- #87 Elliott
- #88 Jude
- #89 Ryder
- #90 Sebastian
- #91 Anthony
- #92 Arlo
- #93 Hank
- #94 Joshua
- #95 Parker
- #96 Aiden
- #97 Austin
- #98 Bentley
- #99 Boone
- #100 Cash
Top 10
- #1Charlotte46#2
- #2Lucy41#24
- #3Amelia40#4
- #4Lainey38#30
- #5Nora37#20
- #6Harper36#16
- #7Violet36#13
- #8Sophia34#5
- #9Evelyn32#8
- #10Isla32#28
Names #11–100
- #11 Hazel
- #12 Ava
- #13 Emma
- #14 Olivia
- #15 Aurora
- #16 Elizabeth
- #17 Juniper
- #18 Eleanor
- #19 Hadley
- #20 Ella
- #21 Ellie
- #22 Josephine
- #23 Lily
- #24 Penelope
- #25 Millie
- #26 Willow
- #27 Josie
- #28 Nova
- #29 Chloe
- #30 Emery
- #31 Vivian
- #32 Wren
- #33 Avery
- #34 Clara
- #35 Grace
- #36 Isabella
- #37 Ivy
- #38 Naomi
- #39 Stevie
- #40 Adeline
- #41 Ember
- #42 Luna
- #43 Maeve
- #44 Oaklynn
- #45 Piper
- #46 Quinn
- #47 Remi
- #48 Ruby
- #49 Scottie
- #50 Aria
- #51 Eloise
- #52 Emilia
- #53 Madison
- #54 Sophie
- #55 Ayla
- #56 Iris
- #57 Lillian
- #58 Lydia
- #59 Oakley
- #60 Paisley
- #61 Zoey
- #62 Blakely
- #63 Charlie
- #64 Claire
- #65 Eden
- #66 Elsie
- #67 Freya
- #68 Riley
- #69 Scarlett
- #70 Stella
- #71 Abigail
- #72 Addison
- #73 Audrey
- #74 Autumn
- #75 Hannah
- #76 Margot
- #77 Mary
- #78 Sofia
- #79 Adelaide
- #80 Alice
- #81 Amara
- #82 Bonnie
- #83 Georgia
- #84 June
- #85 Mabel
- #86 Margaret
- #87 Murphy
- #88 Quincy
- #89 Sylvie
- #90 Wrenley
- #91 Cora
- #92 Delilah
- #93 Kennedy
- #94 Layla
- #95 Lila
- #96 Maria
- #97 Mia
- #98 Natalie
- #99 Opal
- #100 Rylee
Explore Neighboring States
See how naming trends differ in nearby states