Serena Williams & her fiancé welcomed a baby girl and named her 'Alexis Junior'

Some might argue that it is unconventional but others would disagree as Parents have the sole and unquestionable right to name their children.
Now, Tennis champion Serena Williams welcomed her first child, a daughter, with fiancé, Reddit co-founder Alexis Ohanian, on September 1st. They shared her photo today, revealing that she has been named; Alexis Olympia Ohanian Jr. A few people however insist that only male kids are named Junior (Jr).Are female kids named Junior?