The Independent has identified more than 100 of the 164 Conservative MPs from those lists, and while some might be mistaken - particularly with MPs wanting to consult their local parties before casting their votes on Tuesday - they could provide a rough indication of the way in which the first-round voting might be weighted.
The closeness of Clarke, Hague and Howard is marked, but Lilley cannot yet be discounted - unless Howard beats him to become the lead right-winger in the first-round ballot. But with more than 40 votes uncommitted, the result could swing any way in what MPs acknowledge is a "lottery".
David Curry (joint campaign manager); Michael Jack (joint campaign manager); with support declared by: Michael Mates, John Gummer, and Ian Taylor.
Possible supporters include:
Tony Baldry, Banbury; Virginia Bottomley, SW Surrey; Peter Brooke, Cities of London and Westminster; Quentin Davies, Grantham and Stamford; Stephen Dorrell, Charnwood; Sir Peter Emery, E Devon; Michael Fabricant, Lichfield; Sir Norman Fowler, Sutton Coldfield; Edward Garnier, Harborough; Sir Alan Haselhurst, Saffron Walden; Sir Edward Heath, Old Bexley and Sidcup; Michael Heseltine, Henley; Douglas Hogg, Sleaford and North Hykeham; Robert Jackson, Wantage; Sir Geoffrey Johnson Smith, Wealden; Tom King, Bridgwater; Sir Peter Lloyd, Fareham; John MacGregor, S Norfolk; Sir David Madel, SW Bedfordshire; Richard Ottaway, Croydon S; Andrew Rowe, Faversham and Mid Kent; Peter Temple-Morris, Leominister; Robert Walter, N Dorset; Sir Ray Whitney, Wycombe; Shaun Woodward, Witney; and Sir George Young, NW Hampshire.
James Arbuthnot (campaign manager), Alan Duncan, Nigel Evans, James Paice; Tim Yeo; Roger Gale; Nick Hawkins; Humfrey Malins.
Michael Ancram, Devizes: Peter Bottomley, Worthing W; Ian Bruce, South Dorset, James Clappison, Hertsmere; Geoffrey Clifton-Brown, Cotswold; David Heathcoat-Amory, Wells; Cheryl Gillan, Chesham and Amersham; Julie Kirkbride, Bromsgrove; Tim Loughton, E Worthing and Shoreham; Sir Nicholas Lyell, NE Bedfordshire; John Maples, Stratford-on-Avon; Malcolm Moss, NE Cambridgeshire; Archie Norman, Tunbridge Wells; Richard Page, SW Hertfordshire; Eric Pickles, Brentwood and Ongar; David Prior, N Norfolk; Jonathan Sayeed, Mid Bedfordshire; Sir Peter Tapsell, Louth and Horncastle.
Sir Michael Spicer (campaign manager); Tim Collins; David Davis; David Maclean; Liam Fox; Oliver Heald; David Lidington; Patrick Nicholls; Francis Maude; James Cran; Christopher Chope; Andrew Lansley; Christopher Fraser.
Sir Richard Body, Boston and Skegness; Simon Burns, W Chelmsford; Alan Clark, Kensington and Chelsea; David Faber, Westbury; Teresa Gorman, Billericay; John Greenway, Ryedale; Philip Hammond, Runnymede and Weybridge; Eleanor Laing, Epping Forest; Edward Leigh, Gainsborough; Theresa May, Maidenhead; Owen Paterson, N Shropshire; Desmond Swayne, New Forest W; John Taylor, Solihull; Sir Teddy Taylor, Rochford and Southend E; David Tredinnick, Bosworth. Nicholas Winterton, Macclesfield.
Eric Forth (campaign manager); Gillian Shephard; David Willetts; Sir Patrick Cormack; John Whittingdale; David Amess; Bernard Jenkin; Nigel Waterson; Gerald Howarth; Andrew Tyrie; Nick Gibb; John Bercow.
Possible supporters: Michael Colvin, Romsey; Piers Merchant, Beckenham; Robert Syms, Poole; Ann Widdecombe, Maidstone and the Weald; Ann Winterton, Congleton.
Iain Duncan Smith (campaign manager); Angela Browning; Marion Roe; Andrew Hunter; Julian Brazier; David Wilshire; John Wilkinson; Julian Lewis; Oliver Letwin; Howard Flight; Laurence Robertson.
Peter Ainsworth, E Surrey; David Atkinson, Bournemouth E; Peter Atkinson, Hexham; Sir Paul Beresford, Mole Valley; Crispin Blunt, Reigate; Tim Boswell, Daventry; Graham Brady, Altrincham and Sale W; John Butterfill, Bournemouth W; William Cash, Stone; Sir Sydney Chapman, Chipping Barnet; Michael Clark, Rayleigh; Stephen Day, Cheadle; Michael Fallon, Sevenoaks; Christopher Gill, Ludlow; Alistair Goodlad, Eddisbury; James Gray, N Wiltshire; Damian Green, Ashford; Dominic Grieve, Beaconsfield; Sir Archie Hamilton, Epsom and Ewell; John Hayes, S Holland and the Deepings; John Horam, Orpington; Robert Key, Salisbury; Michael Lord, Central Suffolk and N Ipswich; Peter Luff, Mid Worcestershire; John Major, Huntingdon; Brian Mawhinney, NW Cambridgeshire; Anne McIntosh, Vale of York; Andrew Mackay, Bracknell; Patrick McLoughlin, W Derbyshire; Andrew Robathan, Blaby; David Ruffley, Bury St Edmunds; Richard Shepherd, Aldridge-Brownhills; Keith Simpson, Mid Norfolk; Nicholas Soames, Mid Sussex; Caroline Spelman, Meriden; Richard Spring, W Suffolk; Nick St Aubyn, Guildford; Sir John Stanley, Tonbridge and Malling; Anthony Steen, Totnes; Gary Streeter, SW Devon; John Townend, E Yorkshire; Michael Trend, Windsor; Peter Viggers, Gosport; Charles Wardle, Bexhill and Battle; Bowen Wells, Hertford and Stortford.
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