Synthia: 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	6	1	–	#1,325
1900s	–	–	–	–
1910s	–	–	–	–
1920s	–	–	–	–
1930s	10	1	–	#4,932
1940s	120	12	+1100%	#1,947
1950s	343	34	+186%	#1,524
1960s	511	51	+49%	#1,347
1970s	296	30	-42%	#1,902
1980s	284	28	-4%	#2,901
1990s	423	42	+49%	#2,369
2000s	248	25	-41%	#4,109
2010s	143	14	-42%	#6,164
2020s (to 2025)	44	7	-49%	#10,220

Decade

Girls

Per year

Change

Best rank

1880s

–

1890s

–

#1,325

1900s

–

1910s

–

1920s

–

1930s

–

#4,932

1940s

120

+1100%

#1,947

1950s

343

+186%

#1,524

1960s

511

+49%

#1,347

1970s

296

-42%

#1,902

1980s

284

-4%

#2,901

1990s

423

+49%

#2,369

2000s

248

-41%

#4,109

2010s

143

-42%

#6,164

2020s (to 2025)

-49%

#10,220

The story of Synthia

Synthia is rare for girls in the United States, ranked #13,047 in 2025 with 7 babies given the name. It is currently declining compared with a decade ago.

Since 1890, 2,428 American babies have been named Synthia. Its peak came in 1965, when 67 newborns received the name, the signature sound of the 1960s.

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

How old are people named Synthia?

The median living Synthia is about 45 years old; half are between 29 and 61. An estimated 2,200 people named Synthia 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.

Synthia year by year

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

Year	Girls	Girls rank
2025	7	#13,047
2024	9	#11,013
2023	7	#13,310
2022	6	#15,114
2021	10	#10,220
2020	5	#17,253
2019	11	#9,670
2018	14	#8,116
2017	11	#9,867
2016	15	#7,940
2015	8	#12,888
2014	11	#10,074
2013	16	#7,710
2012	18	#7,111
2011	17	#7,392
2010	22	#6,164
2009	23	#6,070
2008	23	#6,118
2007	19	#7,063
2006	19	#6,806
2005	35	#4,109
2004	17	#7,047
2003	23	#5,399
2002	31	#4,168
2001	28	#4,433
2000	30	#4,174
1995	40	#2,970
1990	50	#2,459
1985	26	#3,402
1980	30	#2,990
1975	22	#3,245
1970	46	#1,902
1965	67	#1,347
1960	56	#1,485
1955	41	#1,614
1950	18	#2,422
1945	9	#3,360
1940	–	–
1935	–	–
1930	5	#5,170
1925	–	–
1920	–	–
1915	–	–
1910	–	–
1905	–	–
1900	–	–
1895	–	–
1890	6	#1,325
1885	–	–
1880	–	–

Frequently asked questions

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

How old is the average Synthia?

The median living Synthia is about 45 years old. Half of all living Synthias are between 29 and 61 years old.

How many people named Synthia are alive today?

An estimated 2,200 people named Synthia are alive in the United States, based on 2,428 recorded births and Social Security life tables.

What does the name Synthia mean?

A rare (non-standard) spelling of Cynthia.

How popular is the name Synthia in 2025?

Synthia ranked #13,047 among girls' names in the United States in 2025, with 7 babies given the name, according to Social Security Administration data.

How many people are named Synthia?

2,428 babies have been named Synthia in the United States since 1890, based on Social Security card applications.

When was the name Synthia most popular?

Synthia peaked in 1965, when 67 newborns received the name.

Is Synthia a boy or girl name?

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

Is the name Synthia rising or falling?

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

Synthia

Synthia popularity over time

The story of Synthia

How old are people named Synthia?

Synthia year by year

Frequently asked questions

Names like Synthia