1765 Carle or Charles-André van Loo (French painter, 1705-1765) Luise Henriette Wilhelmine von Anhalt-Dessau as Diana. She has a dog, an animal-skin wrap, a bow & quiver, & a crescent moon in her hair.
Early European portrait artists sometimes painted their contemporaries as allegories. Allegorical portraits remained popular for several centuries, as they expanded to show the female sitter as a Biblical figure, a Greek or Roman goddess, or nymph or muse in in a rustic setting. Diana is a Roman goddess of the hunt, the moon, & nature, associated with wild animals & woodland. Diana was known as the virgin goddess of childbirth & women. Diana was originally considered to be a goddess of the wilderness & of the hunt, a central sport in both Roman & Greek culture.
1751 Pompeo Girolamo Batoni (Italian artist, 1708-1787) Sarah Lethieullier as Lady Fetherstonhaugh, as Diana. She has a crescent moon in her hair, a bow & a dog.
Early Roman inscriptions to Diana celebrated her primarily as a patron of hunters. Diana was often considered to be a goddess associated with fertility & childbirth, & the protection of women during labor. Her care of infants also extended to the training of both young people & dogs, especially for hunting. Unlike the Greek gods, Roman gods were originally considered to be divine powers of presence that did not necessarily have physical form. The idea of gods having anthropomorphic qualities & human-like personalities & actions developed later, under the influence of Greek & Etruscan religion. Diana was not only regarded as a goddess of the wilderness & the hunt, but was often worshiped as a patroness of families.
1765 Francis Cotes (English Painter, 1726-1770) The Honourable Lady Stanhope and the Countess of Effingham as Diana, and Her Companion. Diana has a hunting spear & a crescent moon in her hair.
"... people regard Diana & the moon as one & the same. ...her name Diana derives from the fact that she turns darkness into daylight. She is invoked at childbirth because children are born occasionally after seven, or usually after nine, lunar revolutions ..." -- Quintus Lucilius Balbus as recorded by Marcus Tullius Cicero & translated by P.G. Walsh. De Natura Deorum (On the Nature of the Gods), Book II, Part ii, Section c.
1700s Unknown French artist, Portrait of a Lady as Diana, Goddess of the Hunt. She wears a crescent moon in her hair and has an animal-skin wrap, a dog, a quiver & a bow.
1773 after François-Hubert Drouais (French artist, 1727-1775) Marie-Joséphine-Louise de Savoie (1753–1810), comtesse de Provence, as Diana with her faithful hunting dogs, Syrius & Phocion. She has a bow, & an animal-skin wrap.
1700-10 Nicolas de Largillière (French artist, 1656-1746) Portrait of Lady as Diana with her faithful hunting dogs, Syrius & Phocion. She has a bow & quiver nearby.
1771 Robert Hunter (Irish artist, fl. 1748–1780) Lady Margaret Butler Lowry-Corry (1748–1775), as Diana. She has a dog & carries a hunting spear.
1688 Francois de Troy Lady Mary Herbert (1659–1744-1745), Viscountess Montagu, Previously the Honourable Lady Richard Molyneux, and Later Lady Maxwell, as Diana. She has a crescent moon in her hair, a dog, & an animal-skin component to her costume.
1680s Jacob Huysmans (Flemish artist, c 1633–1696) Elizabeth Cornwallis (d.1708), Mrs Edward Allen, as Diana the Huntress with her faithful hunting dogs, Syrius & Phocion. . She has a hunting spear, & an animal skin decoration, & feathers in her hair.
1670s-90s Giovanni Battista Gaulli (Baciccio) (Italian artist, 1639-1709) Diana the Huntress with her hunting dogs, Syrius & Phocion. Her bow & quiver lay on the ground.
1674 Jacob Huysmans (Flemish artist, c 1633–1696) Portrait of a Lady as Diana. She has dogs, a bow & quiver, a hunting spear, & feathers in her hair.
Style of Peter Lely Peter Lely (English artist, 1618-1680) Ann Fanshawe (b.1654), Daughter of Sir Richard Fanshawe as Diana with a dog or a deer.
1670s Copy of Peter Lely (English artist, 1618-1680) Mary II (1662–1694), when Princess Mary of York, as Diana. She has a crescent moon in her hair, a bow & arrow & only the head of her dog companion is visible.
1666 Giovanni Maria Morandi (Italian painter, 1622-1717) Claudia Felicitas of Austria as Diana.
1650 Jan van Mijtens (1613-1670) Lady as Diana. She has a tiny lap dog/hunting dog & carries a quiver on her back.
1650 Charles Beaubrun (Charles Bobrun) (French artist, 1604–1692) Portrait of a lady as Diana. She has a dog & a bow.
1640-50s Attributed to Giovanni Domenico Cerrini (Italian artist, 1609-1681) Christina, Queen of Sweden Alexandra Maria Vasa (1626-1689) as Diana. Here she has her dog & a hunting spear. The crescent moon hangs in the sky above them.
1640 Willem van Honthorst (Dutch artist, 1594-1666) Henriette von Nassau as Diana with her faithful hunting dogs, Syrius & Phocion. She has a bow & quiver with feathers in her hair.
1630 Claude Deruet (French artist, 1588–1660) Marie de Rohan, Duchesse de Chevreuse as Diana the Huntress. She has dogs, a bow & quiver, a hunting horn, & a crescent moon in her hair.
Jan Mytens (Dutch artist, 1614-1670) Lady as Diana
1667 Claude Lefèbvre (French painter, 1633–1675) Louise de La Vallière as Diana. She has a quiver & bow as well as her faithful hunting dogs, Syrius & Phocion. 
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