- Leighton 289
- William Allport Leighton 259
- Leighton W.A. 220
- Leighton, W 94
- Leighton, W.A. 66
- W Leighton 62
- William Leighton 41
- W. Leighton 29
- W. A. Leighton 29
- W.A. Leighton 24
- Reverend W A. Leighton 16
- Leighton, William Allport 14
- W A. Leighton 12
- Leighton, W. 8
- Leighton, William, Allport 7
- Leighton, WA 2
- Leighton WA 2
- Smith, GG 1
- Sim 1
- Reverend W Leighton 1
- Leighton, William Allport (Rev.) 1
- Leighton, W.A. (Rev.) 1
- Leighton, W. A. (Coll. Frey N°5376) 1