Lienhard is an Alemannic variant.  For more information on the name, see Bahlow s.n. Lienhard.
  
  
- Belgium
- 
- Dutch
- ● 1597x1598 Lenaert BoonenGes p. 327,
 Leonaerdt ibid. p. 389,
 Leonardus ibid. p. 387
 
- Czech Republic
- 
- Latin
- ● 1350 Leonardus (nom) chlumecky 157;
 1353 Leonardus (nom) ibid. 37, p. 22;
 1358 Lenhart (nom) ibid. 426, p. 38
 
- England
- 
- Latin
- ● 1553 Leonardus (nom) StMartF p. 57;
 1557 Leonardus (nom) ibid. p. 59;
 1560 Leonardus (nom) ibid. p. 60
- Anglo-French
- ● 1364 Lyenart SocAntNor-3-3 no. 38
- Dutch
- ● 1574 Leenart AuFr Boom;
 1595 Leenaert ibid. Costerman;
 1598 Leonard ibid. Costerman
- Early Modern English
- ● 1530 Lennard LIWill-III p. 28,
 Leonard WillsInv LXXX;
 1531 Leonard SRS-XXI p. 8;
 1533 leonarde WillsInv LXXXII;
 1538 Leonard StAnthonlin p. 1;
 1544 Leonard HAmar-vol9 p. 2;
 1545 Leonard StAnthonlin p. 5;
 1546 Leonard ibid. p. 5;
 1547 Leonard DEmar-vol1 p. 79,
 StAnthonlin p. 6;
 1549 Leonard BEmar-vol1 p. 3;
 1556 Leonard PRThirsk p. 1,
 Leonarde ibid. p. 1;
 1556/57 Leonarde ibid. p. 2;
 1556 Leonarde bruton1 p. 2;
 1557 Leanard PRThirsk p. 2,
 Leonard ibid. p. 2;
 1561 Leonard WAmar-1 p. 108;
 1562 Leonard bruton1 p. 111,
 Leonarde WAmar-1 p. 108;
 1564 Leonard bruton1 p. 34;
 1567 Leonard ibid. p. 112;
 1570 Leonard ibid. p. 6;
 1575 Leonard ibid. p. 7;
 1581 Leanaerd HAmar-vol9 p. 68;
 1582 Leonard COmar-vol2 p. 49,
 DEmar-vol1 p. 85,
 bruton1 p. 115;
 1583 Leonard ibid. p. 45;
 1584 Leonard BEmar-vol1 p. 11;
 1585 Leonard Bar-in-El p. 15,
 Leonarde bruton1 p. 116;
 1586 Leonard Bar-in-El p. 16,
 COmar-vol2 p. 102;
 1587 Leonard ibid. p. 102,
 DEmar-vol2 p. 13;
 1588 Leonard ibid. p. 15;
 1590 Leonard Bar-in-El p. 29;
 1593/4 Leonard BEmar-vol1 p. 16;
 1593 Leonard bruton1 p. 53;
 1597/8 Leanarde HAmar-vol9 p. 93;
 1597 Leanord CAmar-vol1 p. 6
- Walloon
- ● 1591 Leonard RWC p. 19;
 1593 Leinard ibid. p. 29;
 1594 Leonard ibid. p. 33,
 Lienart ibid. p. 32
 
- France
- 
- Latin
- ● 1260 Leonardo (abl) ArrestReg-volI XVII, Ascension,
 Leonardum (acc) ibid. XVII, Ascension,
 Leonardus (nom) ibid. XVII, Ascension;
 1301 Leonardi (gen) MemPic-vol17 p. 219,
 Leonardus (nom) ibid. p. 178;
 1378 Leonardo (dat) hanquetvol1 1505;
 1579 Leonardi (gen) FlorLyon p. 40;
 1585 Leonardus (nom) ibid. p. 40
- Old French
- ● 1313 Lienart Paris1313 p. 21
- Middle French
- ● 1392 Lyenart MemBret-II col. 613;
 1563 Léonard RegPCC-1 p. 23;
 1564 Léonard ibid. p. 88;
 1565 Léonard ibid. p. 128;
 1566 Léonard ibid. p. 254;
 1567 Léonard ibid. p. 288;
 1571 Liénard ibid. p. 442;
 1590 Léonart raymond1588 p. 572
 
- Germany
- 
- Latin
- ● 1414 Leonhardum (acc) mairhofer DCXCVIII,
 Leonhardus (nom) ibid. DCXCVII;
 1422 Leonardus (nom) ibid. DCCXVIII
- Early New High German
- ● 1404 Linhard (nom) mairhofer DCLXXVII;
 1419 Lienhardt (gen) ibid. DCCXII,
 Lienhart (gen) ibid. DCCXIII;
 1423 Lienhart (nom) ibid. DCCXIX;
 1497 Lienhart Nurn1497 p. 2,
 Liennhart ibid. p. 1,
 Linhar ibid. 1455,
 Linhardt ibid. 2673,
 Linhart ibid. 28
 
- Ireland
- 
- Latin
- ● 1496 Leonardo (abl) RegOct 39,
 Leonardum (acc) ibid. 39,
 Leonardus (nom) ibid. 39
- Early Modern English
- ● 1538/9 Leonard Fiants-1 71;
 1540 Leonard ibid. 150
 
- Italy
- 
- Latin
- ● 1237 Lienhardi (gen) TirNot1 582;
 1300 Leonardum (acc) ActDipVeneto-I-1 p. 49;
 1324 Leonardus (nom) DSF p. 48, 3731;
 1366 Leonardus (nom) CatTir1 12;
 1367 Leonardo (abl) Livi 153;
 1369 Leonardus (nom) ibid. 253;
 1370 Leonardus (nom) ibid. 265;
 1376 Leonardi (gen) DouGen1 p. 243,
 Leonardo (abl) ibid. p. 41;
 1387 Leonardi (gen) Venditti II-37,
 Leonardum (acc) ibid. II-510;
 1393 Leonardo (abl) sajanello-2;
 1423 Leonardi (gen) CatTir1 69;
 1464 Leonardus (nom) CUP-III-I CCXXXI;
 1470 Leonardj (gen) RCCaetani6 730,
 Leonardo (abl) ibid. XXI-62,
 Leonardus (nom) ibid. XXI-62;
 1478 Leonardi (gen) ibid. 2720,
 Leonardo (abl) ibid. 2720;
 1527 Leonardi (gen) Rome1527 p. 84,
 Leonardus (nom) ibid. p. 85
- ◑ 1173 Leonardelli (gen) SDE3 V,
 Leonardello (abl) ibid. V;
 1348 Leonardelli (gen) INP 21;
 1366 Nardus (nom) Livi 5;
 1425 Nardi (gen) CatTir1 86;
 1470 Nardi (gen) RCCaetani6 730;
 1478 Nardelli (gen) ibid. 2720,
 Narducium (acc) ibid. 2720
- Italian
- ● 1429–1430 Lionardo DiaryLMA p. 207;
 1513x1521 Leonardo LeoX p. 12
- ◑ 1513x1521 Nardo LeoX p. 16
- Sicilian
- ● 1478 leonardo CdP I
 
- Poland
- 
- Latin
- ● 1234 leonardus (nom) CDT1 XIV;
 1274 Leonardi (gen) ibid. XXII
 
- Spain
- 
- Latin
- ● 1488 Leonardi (gen) carbonell-I p. 16;
 1490 Leonardi (gen) ibid. p. 42
- Catalan
- ● 1510 Leonard valencia1510 3216,
 Leonart ibid. 2096
 
- Switzerland
- 
- Middle French
- ● 1545 Lienhard MHCG2 313
 
Cite as: J. Uckelman, S.L. Uckelman. "Leonard". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2019, no. 1. http://dmnes.org/2019/1/name/Leonard.