Philomene is the French form of Philomena — from the Greek philomenes (lover of strength) or philē (beloved) + menos (mind, spirit). Saint Philomena (c. 291-c. 304) — early Christian martyr; remains discovered in the Catacomb of Priscilla, Rome (1802); her veneration spread widely throughout 19th-century Catholicism; declared patroness of the Children of Mary by Pope Pius IX (1855); Saint John Vianney attributed numerous miracles to her intercession; her cult was particularly popular in Italy, France, and Spain through the early 20th century. Philomene Cates — modern American figure. Princess Philomena — modern French naming. Philomène Boudreau — Acadian-Canadian artist.
Philomene 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 Philomene reduce to 7, The Seeker. This is a traditional interpretive system, not a factual claim about the name.