Sidnee: 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	Girls	Per year	Change	Best rank
1880s	–	–	–	–
1890s	–	–	–	–
1900s	–	–	–	–
1910s	–	–	–	–
1920s	–	–	–	–
1930s	–	–	–	–
1940s	11	1	–	#4,287
1950s	6	1	-45%	#5,485
1960s	–	–	–	–
1970s	–	–	–	–
1980s	20	2	–	#6,484
1990s	234	23	+1070%	#3,279
2000s	284	28	+21%	#3,539
2010s	81	8	-71%	#6,869
2020s (to 2025)	–	–	–	–

Decade

Girls

Per year

Change

Best rank

1880s

–

1890s

–

1900s

–

1910s

–

1920s

–

1930s

–

1940s

–

#4,287

1950s

-45%

#5,485

1960s

–

1970s

–

1980s

–

#6,484

1990s

234

+1070%

#3,279

2000s

284

+21%

#3,539

2010s

-71%

#6,869

2020s (to 2025)

–

The story of Sidnee

Sidnee is not currently in use for newborns in the United States: fewer than five babies received the name in 2025. Its story lives in the historical record below.

Since 1940, 636 American babies have been named Sidnee. Its peak came in 1999, when 39 newborns received the name, the signature sound of the 1990s.

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 Sidnee stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Sidnee?

The median living Sidnee is about 24 years old; half are between 19 and 29. An estimated 600 people named Sidnee 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.

Sidnee year by year

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

Year	Girls	Girls rank
2025	–	–
2024	–	–
2023	–	–
2022	–	–
2021	–	–
2020	–	–
2019	9	#11,255
2018	–	–
2017	–	–
2016	7	#14,148
2015	8	#12,854
2014	7	#14,354
2013	7	#14,394
2012	11	#10,339
2011	13	#9,071
2010	19	#6,869
2009	20	#6,780
2008	24	#5,934
2007	22	#6,297
2006	24	#5,685
2005	37	#3,936
2004	32	#4,374
2003	21	#5,770
2002	32	#4,060
2001	38	#3,539
2000	34	#3,800
1995	35	#3,279
1990	7	#11,235
1985	–	–
1980	–	–
1975	–	–
1970	–	–
1965	–	–
1960	–	–
1955	–	–
1950	–	–
1945	–	–
1940	6	#4,287
1935	–	–
1930	–	–
1925	–	–
1920	–	–
1915	–	–
1910	–	–
1905	–	–
1900	–	–
1895	–	–
1890	–	–
1885	–	–
1880	–	–

Frequently asked questions

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

How old is the average Sidnee?

The median living Sidnee is about 24 years old. Half of all living Sidnees are between 19 and 29 years old.

How many people named Sidnee are alive today?

An estimated 600 people named Sidnee are alive in the United States, based on 636 recorded births and Social Security life tables.

What does the name Sidnee mean?

A very rare spelling variant of Sidney.

How popular is the name Sidnee in 2025?

Sidnee did not appear in the 2025 Social Security data, which means fewer than five babies received the name that year.

How many people are named Sidnee?

636 babies have been named Sidnee in the United States since 1940, based on Social Security card applications.

When was the name Sidnee most popular?

Sidnee peaked in 1999, when 39 newborns received the name.

Is Sidnee a boy or girl name?

Sidnee is overwhelmingly a girl's name: 100% of babies with the name.

Is the name Sidnee rising or falling?

Sidnee is declining, less popular now than a decade ago.

Sidnee

Sidnee popularity over time

The story of Sidnee

How old are people named Sidnee?

Sidnee year by year

Frequently asked questions

Names like Sidnee