According to SSA data, Isaiah achieved its highest historical rank of #39 in 2006. Its highest annual registration volume occurred in 2006 with 10,459 babies. Between 2015 and 2025, modern registrations have decreased by 31.2%. Overall, the name has maintained a ranked presence for 146 consecutive years.
π Factual Timeline & Current Trajectory (1880 β 2025)
Registration footprint of Isaiah across 145 years of SSA data.
5-Year Trajectory
Declining
10-Year Shift
-31.2% Decline
18801920196020002025
π Popularity Milestones & Volatility
Busiest Year on Record10,459births in 2006
Years in Top 10030 yrs
Years in Top 50078 yrs
Registry Streak146 yrs
Historical VolatilityHighly Volatile
Largest 1-Year JumpN/A
Decade-by-Decade Registration Volumes
1880s: 304
1890s: 264
1900s: 263
1910s: 845
1920s: 1,262
1930s: 1,039
1940s: 1,194
1950s: 1,180
1960s: 727
1970s: 1,578
1980s: 6,709
1990s: 36,586
2000s: 92,786
2010s: 76,320
2020s: 32,963
π Sound & Spelling Structure
Phonetic SyllablesIs-a-ih
Letter Count6 letters
Spelling ComplexityModerate
Length Percentile
Longer than 25.7% of names
Linguistic Profile: Longer than 25.7% of SSA names. Starts with I, a letter used by only 1.7% of SSA names.
π οΈ Sibling & Surname Cadence Tool
Enter a surname or sibling name to test how it pairs with Isaiah.
π Authentic State & Regional Rankings
Highest Ranking State
New Mexico
Top States
New Mexico, Nevada, Hawaii, Alaska, Arizona