MallowbyNames

Cosandra

koh-SAN-drah · Of uncertain origin; perhaps a variant of Cassandra or a modern blend of Co- and Sandra.

Peak popularity
1971
Usually for
Girls
Trend
Holding steady

Holding steady.

Popularity of Cosandra since 1963

Babies named Cosandra per year in U.S. Social Security records.

4913198020002020Most births 1971Girls
Data table (by decade)
DecadeGirls
1960s57
1970s68
1980s10
1990s0
2000s0
2010s0
2020s0

Meaning & origin

Cosandra is a rare American invention that first appeared in records in 1963. The name reached its peak in 1971, the year it was most frequently given, though it never entered the top 1000 nationally. As of 2025, its usage remains stable at a very low level, with an average of fewer than 5 births per year. The name exemplifies the creative naming trends of the late 20th century, where parents blended familiar sounds and suffixes to craft distinctive identities. While Cosandra has no strong association with any particular state or famous bearer, it carries the warmth of mid-century Americana. Its exact meaning is uncertain, but it is often seen as a modern twist on Cassandra or a combination of 'Co' and 'Sandra', giving it a melodic, feminine feel.

Cosandra appears to be a modern American coinage, likely formed by blending the prefix 'Co-' (possibly from names like Cora or Cosette) with the name Sandra, or as a variant of Cassandra. The name emerged in the 1960s, a period that saw many creative respellings and invented names. It has no known historical or linguistic roots in other languages.

Nicknames & variants

Nicknames: Cosi, Sandy, Coco

Sibling names for Cosandra

Names that share Cosandra's style, for a brother or sister.

A parent animal hugging its little one, the personalized name page

C is for Cosandra, our favorite little girl.

C is for Cosandra…”

In a Mallowby alphabet book, Cosandra's letter becomes Cosandra's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Cosandra's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Cosandra mean?
The meaning of Cosandra is uncertain. It may be a modern variant of Cassandra, which means 'shining upon man' in Greek, or an invented combination of names like Cora and Sandra.
Is Cosandra a common name?
No, Cosandra is quite rare. It has never ranked in the US top 1000. Its peak year was 1971, and it has remained stable in very low usage since then.
Is Cosandra a girl's name?
Yes, Cosandra is used almost exclusively for girls, though it is very uncommon.