Hi Joe   could not find stones that you were after, but checking the
children came up with the following, you may already have most of it.
William Smart (b. 1772/1775 Collessie or Margaret Smart ( b. 1776: nee Dingwall)
Nothing in Collessie, but their children were born Falkland
According to IGI  
William Smart & Margaret Dingwall Married Dec. 1796 Falkland
Children John Smart born 19.7.1798 Falkland married 13.1.1823
Collessie died 19.3.1847
Robert Smart born 15.12.1799 Falkland
William Smart born 5.11.1802 Falkland
Janet Smart born 21.6.1807 Falkland
Helen Smart born 15.2.1805 Falkland FFH death cd
Gives a Helen Smart Fruchie buried 28.3.1824 daughter of William Smart
1841 census Falkland / Fruchie
William Smart age 69 Hand Loom Weaver 
Janet Smart    age 30 
Ann Lieshman  age 8
The FFHdeath cd gives a William Smart buried 1.6.1847 age 72
Abode Falkland/Fruchie
1851 Census Falkland Rd Fruchie
Janet Smart head Un mar.age 43 yarn winder pauper born Fruchie
William Brimer son age 6 scholar born Fruchie
Inscription from Falkland Cem. Could be William born 1802
448   In Memory of William SMART died at Falkland
   30.4.1879 age 74
   his wife Allison OGILVIE died 3.4.1885 age 74
   daughter Ann died 19.4.1924 age 76
   daughter Grace SMART died 10.6.1908 age 73
   her husband William FAIRWEATHER died 18.1.1909 age 70
This could br Robert Smart 1799
Piece: SCT1841/428 Place: Falkland -Fife Enumeration District: 5
Address: Fruchie
    Surname   First name(s)   Sex   Age   Occupation   Where Born   Remarks   
    SMART   Robert   M   41   Hand Loom Weaver    Fife        
    SMART   Margaret   F   35   -    Fife        
    SMART   Amelia   F   19   Hand Loom Weaver    Fife        
    SMART   Margaret   F   17   Hand Loom Weaver    Fife        
    SMART   William   M   15   Hand Loom Weaver    Fife        
    SMART   Isabella   F   9   -    Fife        
    SMART   Robert   M   4   -    Fife        
    SMART   John Fergus   M   1   -    Fife
They can also be found in 1851Free census
This is Roberts daughter Amelia
Piece: SCT1851/424 Place: Dunfermline -Fife Enumeration District: 4
Address: Edgar Street
    Surname   First name(s)   Rel   Status   Sex   Age   Occupation   Where Born   Remarks   
    HUTTON   David   Head   M   M   30   Damask Weaver    Fife - Inverkeithing        
    HUTTON   Amelia   Wife   M   F   30   Yarn Winder    Fife - Dunfermline        
    HUTTON   Janet   Dau   -   F   4       Fife - Dunfermline        
    HUTTON   Helen   Dau   -   F   8m       Fife - Dunfermline        
    SMART   Mary   Sislaw   U   F   43   Spinster Pauper    Fife - Dunfermline     
John Smart (b. 1798 Collessie d. 1847, while living at Shiels Bridge: mining accident Forthar) and Barabara Smart (b. 1801 d. 1885 Leslie).
He married Barbara Hood 13.1.1821 Collessie
Children from IGI
William 9.12.1823 Collessie
George 1827 Collessie
Helen 1835 Collessie FFH death cd gives a Helen buried 11.3.1840
Collessie daughter of John Smart
Margaret 1838 Collessie died 22.10.1873
John 1840 Collessie
Archibald 1841 Collessie died 1846 age 4+
son of John Smart Shieldsbridge
   Dwelling:   Markinch Street
1881   Census Place:   Markinch, Fife, Scotland
      Marr   Age   Sex   Birthplace
George SMART   M   54    M   Collessie, Fife, Scotland
   Rel:   Head
   Occ:   Hawker
Euphemia SMART(Berwick)   M   56    F Kettle, Fife, Scotland
   Rel:   Wife 
John SMART   U   21    M   Markinch, Fife, Scotland
   Rel:   Son
   Occ:   Coalminer
William SMART   U   19    M   Markinch, Fife, Scotland
   Rel:   Son
   Occ:   Coalminer
   Dwelling:   Lands End
1881   Census Place:   Falkland, Fife, Scotland
   Source:   FHL Film 0203523     GRO Ref    Volume 428    EnumDist 7    Page 18
   Marr   Age   Sex   Birthplace
William SMART   M   57    M   Collessie, Fife, Scotland
   Rel:   Head
   Occ:   Road Lab
Ann G. SMART (GRANT)   M   47    F Cullen, Banff, Scotland
   Rel:   Wife
Mary A. SMART   U   16    F   Kettle, Fife, Scotland
   Rel:   Dau
   Occ:   Factory Worker
Georgina SMART       12    F   Freuchie, Fife, Scotland
   Rel:   Dau
   Occ:   Scholar
Ann SMART       10 m   F   Freuchie, Fife, Scotland
   Rel:   Grand Dau
Norrie