Trend of the Popularity of Gillian as a Female Baby Name in Colorado

Updated on December 6, 2025.

Data Source: Social Security Administration (SSA).

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In 2010, there were 6 female babies that were named Gillian in Colorado, which was 0.03% of the total number of female babies born in Colorado in 2010. Between 1981 and 2010, the name Gillian peaked as a female baby name in Colorado in 2001 with a count of 23 babies, which was 0.09% of the total female babies born in Colorado in 2001.

The first chart below show the trend of the number of female babies in Colorado that were named Gillian, and the second chart shows the percent of female babies in Colorado that were named Gillian.

Trend of the Number of Female Babies who were Named Gillian in Colorado

Trend of the Percentage of Female Babies who were Named Gillian in Colorado

The table below below shows the trend of the number of female babies and the percentage of female babies born in Colorado who were named Gillian from 1981 to 2010.

Trend of the Popularity of Gillian as a Female Baby Name in Colorado

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Year Number of Female Babies Percent of Total Female Babies (%)
1981 8 0.04
1982 5 0.02
1984 8 0.04
1985 6 0.03
1986 9 0.04
1987 10 0.05
1989 6 0.03
1990 5 0.02
1991 5 0.02
1996 7 0.03
1997 13 0.06
1998 17 0.08
1999 17 0.07
2000 15 0.06
2001 23 0.09
2002 19 0.08
2003 10 0.04
2004 16 0.07
2005 12 0.05
2006 8 0.03
2007 10 0.04
2008 10 0.04
2009 7 0.03
2010 6 0.03