Isaac
Boy name · #47 in 2025 · Well-known
In 2025, 5,953 baby boys were named Isaac, placing it at #47 in the official national rankings. A decade ago it stood at #31, so the name has been falling over the past ten years. Roughly one in every 302 boys born in 2025 was named Isaac.
The 145-year story
Isaac first appears in the Social Security records in 1880, when 274 boys received the name. Its peak came in 2007, when 10,274 boys were named Isaac — good for #41 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Isaac per year. Source: SSA.
Unlock the 5-year forecast and compare Isaac against up to 5 other names.
Uniqueness: will there be another Isaac in class?
On our rarity read — which blends how common Isaac is today with its five-year momentum — the name reads as "well-known". A low score means broad familiarity: teachers will spell it right, and your child may share it with a classmate. For many families that's a feature, not a bug.
Where Isaac is most common
Geography matters for names, and Isaac is no exception. Adjusted for how many boys are born in each state, Isaac is most common in DC (9.1 per 1,000), MA (6.1 per 1,000), MD (6 per 1,000), ND (6 per 1,000), DE (5.8 per 1,000) — against a national average of about 4.1 per 1,000 boys. These are per-capita rates, so they show where Isaac is a genuine regional favorite rather than just where the most babies are born.
Names like Isaac
Statistically, parents drawn to Isaac tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Isaiah, Logan, Angel, Caleb, and Mason.
IsaiahLoganAngelCalebMasonGabrielAdrianDylan
Rank history (last 25 years)
| Year | Babies named Isaac | Rank |
|---|---|---|
| 2025 | 5,953 | #47 |
| 2024 | 6,529 | #41 |
| 2023 | 6,621 | #42 |
| 2022 | 6,752 | #41 |
| 2021 | 6,987 | #40 |
| 2020 | 7,155 | #39 |
| 2019 | 8,231 | #34 |
| 2018 | 8,503 | #34 |
| 2017 | 8,894 | #32 |
| 2016 | 9,782 | #31 |
| 2015 | 9,988 | #31 |
| 2014 | 9,999 | #31 |
| 2013 | 10,134 | #28 |
| 2012 | 10,065 | #30 |
| 2011 | 9,607 | #35 |
| 2010 | 9,371 | #39 |
| 2009 | 9,569 | #40 |
| 2008 | 10,030 | #37 |
| 2007 | 10,274 | #41 |
| 2006 | 9,685 | #48 |
| 2005 | 9,127 | #49 |
| 2004 | 9,181 | #46 |
| 2003 | 8,944 | #48 |
| 2002 | 8,312 | #48 |
| 2001 | 8,200 | #47 |
Frequently asked questions
Is Isaac a popular boy name?
Isaac ranked #47 among boys in 2025 with 5,953 babies given the name — firmly in the top 100, so yes, it’s a popular choice. Ten years earlier it ranked #31.
When was the name Isaac most popular?
Isaac peaked in 2007, when 10,274 American boys received the name (ranked #41 that year). Since 2007 the name has declined from that high.
How rare is the name Isaac?
In 2025, roughly 1 in 302 newborn American boys was named Isaac. On our rarity scale (rarity blended with momentum) we classify it as "well-known".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.