Total births
11
Girls' name · since 1918
Adelphia
Adelphia has 11 recorded births since 1918 in federal Social Security data, most heavily in 1918 -- full year-by-year trend, decade aggregates, and state rankings follow.
- 11
- total births
- 1918–1925
- years on record
- 1910s
- peak decade
- 55%
- born in that decade
Adelphia sits outside today's top ranks for girls, with 11 recorded since 1918.
Social Security Administration records show Adelphia recorded 11 times among girls since 1918, though it doesn't currently rank among the most-used girls names, peaking in the 1910s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1918 to 1925.
- 11 total births
- 1918–1925 years on record
- 1910s peak decade
- 55% born in that decade
Data updated Jul 2026
The verdict
11 girls have been named Adelphia since 1918, peaking in the 1910s, last recorded in 1925.
- 11
- total births
- 1918–1925
- years on record
- 1910s
- peak decade
- 55%
- born in that decade
1910s
Peak decade
55% of everyone ever named Adelphia was born in this single decade.
1918
Single peak year
6 babies were named Adelphia in 1918 - its busiest year on record.
Adelphia's usage pattern, beyond the headline number
Splitting Adelphia's full recorded timeline at 1925, 45% of its total births fall in the more recent half of the record versus 55% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1925, with just 5 recorded births -- worth weighing against the 1918 peak of 6 to see the full range of the name's swing in popularity.
Adelphia at a glance
Last recorded 1925Peak year
1918
Current rank
Unranked
Active since
1918
Adelphia popularity over time
Annual U.S. births registered with the Social Security Administration · 1918–1925
- Peak year (1918)
- 6
- Annual births at peak, across 8 years of records
Adelphia by decade
Total births in each ten-year window, peak vs trough at a glance
1910s was Adelphia's strongest decade.
6 babies received the name during that ten-year window, about 55% of all-time use.
Adelphia births by decade
Total births in each ten-year window
- 1910s
1910s
6 births
- 1920s
1920s
5 births
What this shows Peak: 1910s at 6 births (55% of all-time use).
Frequently Asked Questions
How popular is the name Adelphia? ▼
Adelphia has been given to 11 babies in the U.S. since 1918, according to SSA data. Its last appearance in the data was 1925. 6 babies were born in 1918, its single highest year.
When was Adelphia most popular? ▼
Adelphia was most popular in the 1910s decade with 6 total births. The single peak year was 1918.
How long has the name Adelphia been used? ▼
Adelphia has been recorded in Social Security data since 1918, spanning 8 years of data through 1925.
What names are similar to Adelphia? ▼
Names with a similar sound or spelling include Adeline, Adele, Adelaide, Adelyn, and 4 more. These share a common prefix and are also used for girls.
What to do with Adelphia's data
- Adelphia's usage has stayed within range of its 1910s decade-level peak (6 total births) through the 1920s (5) -- a comparatively stable name, not a fading trend.
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Adelphia
Nearby Names Like Adelphia
Names with a similar sound, spelling, or feel to Adelphia
Adeline Girl
#58 80,812 births
Adele Girl
#797 42,362 births
Adelaide Girl
#272 35,007 births
Adelyn Girl
#314 23,612 births
Adelina Girl
#341 16,762 births
Compare Adelphia side by side: Adelphia vs Adeline Adelphia vs Adele Adelphia vs Adelaide
Related Names
Names with a similar number of total births
Data Sources
Data as of July 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1918–1925 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Adelphia: Baby Name Since 1918 - 11 Births, Peak 1918." NameAlmanac. Accessed via https://namealmanac.com/name/adelphia. Licensed CC BY-SA 4.0.
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Adelphia draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.