Skriftformerj Þoresby DN IX 175, 1377 (Tegneby). a Þoresby DN III 337 1387 (Berg i Tegneby). j Þoresbiar sn RB 329, 1388. Þoresbiar k RB 330, 1388. till Þorsbo (!) k, a Þorsby RB 333, 1388. j Þoresby sn RB 245, 1396. firir Þoresby (sn) RB 528, 1399 (= NgL 2 r I 402). (a Þoresby RB 535, ca 1400). j Þoresbear sn RB 322, 1402 (tilf). j Þorsby sokn DN II 527, 1430 (Morlanda). a Toresby DN V 586, 1457 (Oslo; påskrift = NgL 2 r II 430). Thoresbysokn DN XIV 125, 1485 (Kastellekloster). i Toressby DN VIII 517, 1523 (Dragsmark). Thoresby sn NRJ IV 180, 1528. aa Thoresby (2 br) NRJ IV 181, 1528. i Torsby DN XIII 729, 1538 (Torsby). Torsby sn NRJ V 121, 1542. i Torsby NRJ V 123, 1542. Torsby 1544–1881 OGB. aff Torsby (sn) NLR I 85f, 1557–58. y Torsby NLR I 151, 1557–58. (aff) Torsby (sn) NLR II 151 204, 1560–61. Torsby sn NRJ V 480 643 656, 1568. i Torsbi (3 br) NRJ V 487, 1568. Thorsby (sn) NRJ V 610 625, 1568. Torsby (gd) NRJ V 610 626, 1568. Thorsby, Torsbi 1573 OGB. T(h)oursbye, Torssbye 1581 OGB. Thorsbye 1586 OGB. i Torsby Aktst I 47, 1591. Torsby sn, pgld JN 27 36 46 51 66 72, 1576–97. Thorsby sn, pgld Torsby k JN 13, 1591. Torssby sn, pgld JN 61, 1592. Torsby sn, pgld, pgd, k JN 101 169 179 185 187 191–93, 1594. Torsby sn, pgld, k, pgd JN 470 515–17, 1597. i Tordzby JN 508, 1597. Torsby(e) Aktst I 134 142, 1610. Torsebye (sn) Aktst I 641, 1647. Toersbye sn Aktst I 646, 1647. Torszby Aktst II 71, 1648. Toersby(e) 1650-t OGB. Torssby 1659 OGB. 1680 OGB. Thorsby (altern) 1811 OGB.
Belegget i RB 535 står i kilden under Bäve kirke, men ifølge OGB XII1 73 (note) hører det sikkert hit