Petra itself is quite rare; most of the feminine forms of this name either derive from French Pierre, usually with a diminutive suffix, or from the derivative Petronilla, q.v.

Belgium

Dutch

◑ 1597x1598 Pierynken BoonenGes p. 373

England

Dutch

◑ 1598 Pierynken AuFr Dhooge

Middle English

◑ 1422 Peryne EEW p. 49

Walloon

◑ 1582/3 Peronne RWC p. 563; 1583 Peronne ibid. p. 437; 1590 Peronne ibid. p. 441; 1591 Peronne ibid. p. 563; 1592/3 Peronne ibid. p. 564; 1593 Peronne ibid. p. 564

France

Latin

◑ 1301 Perrota (nom) MemPic-vol17 p. 209, Perrote (gen) ibid. p. 202; 1378 Peronam (acc) hanquetvol1 801

Old French

◑ 1296 Perrete paris1296 p. 16; 1313 Perrete Paris1313 p. 3

Middle French

◑ 1421 Perrette favier 166; 1493 Perrette MSR1838 p. 374; 1562 Perrine RegPCC-1 p. 11; 1563 Perrete ibid. p. 28, Perrine ibid. p. 24, Péronne ibid. p. 22; 1564 Perrette ibid. p. 48, Perrine ibid. p. 47; 1565 Perette ibid. p. 175, Perrette ibid. p. 110, Perrine ibid. p. 107; 1566 Perrette ibid. p. 205, Perrine ibid. p. 196; 1567 Perrette ibid. p. 284, Perrine ibid. p. 284; 1568 Perrette ibid. p. 363, Perrine ibid. p. 364; 1570 Perrine ibid. p. 424; 1571 Perrette ibid. p. 439, Perrine ibid. p. 439, Péronne ibid. p. 450; 1572 Perrette ibid. p. 492, Perrine ibid. p. 499

Italy

Latin

● 1265x1339 Petra (nom) BBC-Berg 280

Switzerland

Latin

◑ 14thCx1478 Perreta (nom) Ob-SPVn (65), Perrissona (nom) ibid. (250), Perrole (gen) ibid. (91), Perroneta (nom) ibid. (228), Perrussona (nom) ibid. (111), Perrussone (gen) ibid. (111); 1455 Perroneta (nom) MHCG2 225; 1475 Peronete (dat) ibid. 239