Headcanons:
-Father's name is Macario Rosales Garrastazu, mother's name is Inés Iglesias Roldán

Headcanons:
-Inspired by her title of 'The Vigilante', by day Constance appears to be the silly, giggly daughter of the Marquis de la Pailleterie, but by night she is La Coccinelle, formidable swordswoman and musketeer who defends the people of Paris (based in part on 'The Scarlet Pimpernel'). Anyone who knows where her name comes from earns +5 nerd points
-Father's name is Prosper de la Pailleterie, mother's name is Béatrix (née Villeneuve)
-Favourite food is Spiced Quince Butter Cake
-

A list of my headcanon Ladybug Miraculous holders in (approximate) reverse chronological order. Note that some Asian names are in the traditional order (ie Surname [Middlename] Givenname) 

Name: Marinette Dupain-Cheng
Hero Name: Ladybug
From: France
Era: Modern

Name: Louise Bennett
Hero Name: Ladybird
From: England
Era: Late Georgian (~1830)
Faceclaim: Daisy Ridley

Name: Diana Rosales Iglesias
Hero Name: La Mariquita
From: Mexico
Era: Mexican War of Independence (~1810)
Faceclaim: Camila Cabello

Name: Rebekah Gibson
Hero Name: Ladybeetle
From: United States of America
Era: American Revolutionary War (~1775)
Faceclaim: Mica Burton

Name: Constance de la Pailleterie
Hero Name: La Coccinelle
From: France
Era: Musketeers (~1625)
Faceclaim: Nikki Yanofsky

Name: Kaetsu Kasumi
Hero Name: Tentōmushi
From: Japan
Era: Muromachi period (~1565)
Faceclaim: Matsuoka Mayu

Name: Vitalia Nascimbeni
Hero Name: La Coccinella
From: Italy
Era: Second Medici rule of Florence (~1525)
Faceclaim: Crystal Reed

Name: Kaihautu
Hero Name: Pāpapa Kōpure
From: New Zealand
Era: Pre-colonial (~1500)
Faceclaim: ?

Name: Tonauac
Hero Name: Micazoyolin
From: Mexico
Era: Aztec Empire (~1450)
Faceclaim: ?

Name: Jeanne d'Arc
Hero Name: ?
From: France
Era: Hundred Years' War (~1430)
Faceclaim: ?

Name: Lee Won Hyeon
Hero Name: Mudang Beolle
From: Korea
Era: Goryeo military regime (~1255)
Faceclaim: Yuri

Name: Nani
Hero Name: Ponumomi
From: Hawai'i
Era: Pre-colonisation (~1125)
Faceclaim: ?

Name: Ngô Tiên Hằng
Hero Name: Bọ rùa
From: Vietnam
Era: Later Lý dynasty (~1075)
Faceclaim: Lana Condor

Name: Ruadhán Ó Rían
Hero Name: Bóín Dé
From: Ireland
Era: Early Medieval (~900)
Faceclaim: K.J. Apa

Name: Nerys ferch Cadoc
Hero Name: Chwilen Gwraig
From: Wales
Era: Late Roman occupation (~400)
Faceclaim: Lily Collins

Name: Elaheh
Hero Name: Kafshduzak
From: Persia
Era: Achaemenid Empire (~460 B.C.)
Faceclaim: ?

Name: Hippolyta
Hero Name: ?
From: Greece
Era: Ancient Greece: (~1000 B.C.)
Faceclaim: ?

Name: Zhū Měi
Hero Name: Piáo chóng
From: China
Era: Ancient China (~1500 B.C.)
Faceclaim: Liu Yifei

Name: Meritaten
Hero Name: ?
From: Egypt
Era: Ancient Egypt (~3000 B.C.)
Faceclaim: ?

Name: Alicja Maly
Hero Name: Biedronka
From: Poland
Era: ?
Faceclaim: Abigail Breslin

Name: Bahati
Hero Name: Mudekudeku
From: Namibia
Era: ?
Faceclaim: Vanessa Chester

Name: Rachana Tamboli
Hero Name: Gubarailā
From: India
Era: ?
Faceclaim: Richa Chadha


Name: Sigdís Eiríkursdóttir
Hero Name: Maríubjalla
From: Iceland
Era: ?
Faceclaim: Jennifer Lawrence