Boy nameCurrently #40 in the USFalling

Isaac

EYE-zik//ˈaɪzək//

2 syllablesPeak year: 20075 lettersStarts with I

Meaning & origin

He will laugh

Isaac comes from the Hebrew 'Yitzchak', meaning 'he will laugh' or 'he laughs', reflecting his parents Abraham and Sarah's joy and disbelief at his birth in their old age. A steady classic for centuries, it carries both warmth and biblical gravity.

Isaac's popularity over time

Yearly US births named Isaac, Social Security Administration data
YearBirths named Isaac
1880274
1881258
1882278
1883227
1884243
1885204
1886224
1887194
1888221
1889188
1890187
1891160
1892203
1893182
1894170
1895172
1896191
1897175
1898156
1899139
1900198
1901133
1902143
1903138
1904167
1905147
1906163
1907178
1908162
1909209
1910252
1911233
1912359
1913398
1914496
1915568
1916629
1917622
1918658
1919744
1920706
1921648
1922720
1923698
1924704
1925684
1926592
1927693
1928539
1929585
1930548
1931443
1932492
1933486
1934481
1935481
1936423
1937452
1938460
1939468
1940487
1941451
1942455
1943481
1944491
1945465
1946524
1947604
1948533
1949599
1950557
1951560
1952564
1953548
1954592
1955545
1956558
1957526
1958540
1959521
1960468
1961494
1962487
1963472
1964496
1965428
1966436
1967401
1968427
1969523
1970575
1971721
1972813
1973896
1974947
19751,025
19761,104
19771,277
19781,463
19791,748
19801,817
19811,845
19821,863
19831,811
19841,709
19851,683
19861,748
19871,846
19881,979
19892,218
19902,439
19912,511
19922,781
19933,227
19943,509
19953,892
19964,574
19975,155
19985,872
19996,424
20007,455
20018,215
20028,322
20038,959
20049,222
20059,148
20069,698
200710,287
200810,044
20099,579
20109,376
20119,614
201210,073
201310,140
201410,007
20159,998
20169,789
20178,903
20188,511
20198,239
20207,157
20216,982
20226,745
20236,613
20246,504

Isaac through the decades

  • Isaac peaked in 2007, when 10,287 babies were named Isaac in the US.
  • The 2010s were Isaac's strongest decade, averaging 9,465 births a year.
  • Over the last 10 years of data (2015–2024), use of Isaac has fallen 19% compared to the 10 years before that.
  • Isaac currently ranks #40 in the US and is cooling off.

Nicknames

IkeZack

Variants & spellings

IsaakYitzhak

Famous people named Isaac

  • Isaac Newtonphysicist

Names like Isaac

Similar-sounding names.

Sibling names for Isaac

A different sound, a similar rhythm.