Septima is the Latin feminine of septimus ("seventh"). Septima Poinsette Clark (1898-1987) was the African-American educator known as the "Queen Mother" of the Civil Rights Movement.
Awarded the Presidential Medal of Honor.
Septima does not currently appear in the US Social Security Administration's top 1,000 girls' names, so we don't publish a US rank or birth count for it. That says nothing about the name's standing elsewhere in the world — only that it sits outside the ranked US data we rely on.
In Pythagorean numerology the letters of Septima reduce to 2, The Peacemaker. This is a traditional interpretive system, not a factual claim about the name.