Jac: Name Popularity, History & Rankings (1880

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade	Boys	Per year	Change	Best rank
1880s	–	–	–	–
1890s	–	–	–	–
1900s	–	–	–	–
1910s	11	1	–	#3,936
1920s	30	3	+173%	#2,947
1930s	22	2	-27%	#2,473
1940s	33	3	+50%	#2,453
1950s	117	12	+255%	#1,897
1960s	77	8	-34%	#2,683
1970s	23	2	-70%	#4,462
1980s	5	1	-78%	#6,742
1990s	29	3	+480%	#5,617
2000s	98	10	+238%	#5,807
2010s	101	10	+3%	#5,651
2020s (to 2025)	69	12	+14%	#5,293

Decade

Boys

Per year

Change

Best rank

1880s

–

1890s

–

1900s

–

1910s

–

#3,936

1920s

+173%

#2,947

1930s

-27%

#2,473

1940s

+50%

#2,453

1950s

117

+255%

#1,897

1960s

-34%

#2,683

1970s

-70%

#4,462

1980s

-78%

#6,742

1990s

+480%

#5,617

2000s

+238%

#5,807

2010s

101

+3%

#5,651

2020s (to 2025)

+14%

#5,293

The story of Jac

Jac is rare for boys in the United States, ranked #5,967 in 2025 with 15 babies given the name. It is currently rising compared with a decade ago.

Since 1915, 615 American babies have been named Jac. Its peak came in 1956, when 18 newborns received the name, the signature sound of the 1950s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Jac stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Jac?

The median living Jac is about 24 years old; half are between 10 and 63. An estimated 500 people named Jac are alive in the United States today.

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Jac year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year	Boys	Boys rank
2025	15	#5,967
2024	11	#7,455
2023	17	#5,548
2022	18	#5,293
2021	–	–
2020	8	#9,049
2019	10	#7,862
2018	10	#7,829
2017	13	#6,461
2016	16	#5,651
2015	8	#9,073
2014	7	#10,057
2013	15	#5,769
2012	7	#10,134
2011	9	#8,333
2010	6	#11,282
2009	11	#7,407
2008	15	#5,889
2007	8	#9,225
2006	9	#8,284
2005	12	#6,373
2004	9	#7,781
2003	5	#11,584
2002	8	#7,950
2001	12	#5,807
2000	9	#7,052
1995	–	–
1990	5	#8,657
1985	–	–
1980	–	–
1975	–	–
1970	6	#4,462
1965	10	#2,683
1960	10	#2,761
1955	11	#2,490
1950	8	#2,888
1945	–	–
1940	5	#3,690
1935	–	–
1930	–	–
1925	–	–
1920	–	–
1915	5	#4,093
1910	–	–
1905	–	–
1900	–	–
1895	–	–
1890	–	–
1885	–	–
1880	–	–

Frequently asked questions

Quick answers about Jac, drawn from the same Social Security data as the charts above.

How old is the average Jac?

The median living Jac is about 24 years old. Half of all living Jacs are between 10 and 63 years old.

How many people named Jac are alive today?

An estimated 500 people named Jac are alive in the United States, based on 615 recorded births and Social Security life tables.

How popular is the name Jac in 2025?

Jac ranked #5,967 among boys' names in the United States in 2025, with 15 babies given the name, according to Social Security Administration data.

How many people are named Jac?

615 babies have been named Jac in the United States since 1915, based on Social Security card applications.

When was the name Jac most popular?

Jac peaked in 1956, when 18 newborns received the name.

Is Jac a boy or girl name?

Jac is overwhelmingly a boy's name: 100% of babies with the name.

Is the name Jac rising or falling?

Jac is on the rise, noticeably more popular now than a decade ago.

Who are famous people named Jac?

Well-known people named Jac include Jac Jagaciak (model), Jac Nellemann (racing driver).

Jac

Jac popularity over time

The story of Jac

How old are people named Jac?

Jac year by year

Famous people named Jac

Frequently asked questions

Names like Jac