Covadonga is from the Asturian/Spanish place name — referring to the iconic Marian shrine in Asturias. Covadonga Toca — modern Spanish-American figure. Princess Covadonga — modern Spanish heritage naming.
Covadonga 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 Covadonga reduce to 1, The Leader. This is a traditional interpretive system, not a factual claim about the name.