I tried
There are not many households in Co Antrim in Griffiths valuation see 
http://www.failteromhat.com/post1845.php date about 1860
Mc Ilvennan   William   Ballygallagh   Ballylinny   Antrim
Mc Ilvenna   Joseph   Main Street,Crumlin   Camlin       Antrim
Mc Ilvenna   Mary      Caddy      Drummaul   Antrim
Mc Ilvennan   Charles   Ballyclare   Grange of Doagh   Antrim
Mc Ilvenna   John   Ballynadrentagh   Killead      Antrim
Mc Ilvenna   Susan   Ballynadrentagh   Killead      Antrim
Mc Ilvenna   Henry   Springwell Street,   Ballymena   Kirkinriola   Antrim
Mc Ilvenna   Anne      Callisnagh   Layd   Antrim
Mc Ilvenna   Charles   Cloghs   Layd   Antrim
Mc Ilvenna   Michael   Callisnagh   Layd   Antrim
Mc Ilvenna   Patrick   Callisnagh   Layd   Antrim
Mc Ilvenna   John      Garvaghy/Town of Portglenone   Portglenone   Antrim
Mc Ilvennan   Alexander   Dock Townparks Meadow Street   Shankill   Antrim
Mc Ilvennan   Alexander   Dock Townparks Meadow Street   Shankill   Antrim
Mc Ilvenna   James      Dock Townparks Vere Street   Shankill   Antrim
Mc Ilvenna   James      Dock Townparks Vere Street   Shankill   Antrim
I did the samer for Crozier. The only overlaps were Kirkinriola and Shankillin 1901 census the only Hugh in Ireland is
17 in Lisrodden (Lisnagarran, Antrim)
McIlvenna   Sarah   45   Female   Head of Family   Roman Catholic   Co Antrim   -   Read and write   -   Widow   -
McIlvenna   Hugh   15   Male   Son   Roman Catholic   Co Antrim   Agricultural Labourer   Read and write   -   Not Married   -
McIlvenna   John   20   Male   Son   Roman Catholic   Co Antrim   Agricultural Labourer   Read and write   -   Not Married   -
in 1901 census the only Rose in Ireland is
8 in Antynanun (Slemish, Antrim)
McIlvenna   Rose   28   Female   Daughter   Roman Catholic   Co Antrim   Seamstress   Read and write   -   Not Married   -
McIlvenna   Mary   23   Female   Daughter   Roman Catholic   Co Antrim   Seamstress   Read and write   -   Not Married   -
Thompson   Mary Anne   48   Female   Head of Family   Roman Catholic   Co Antrim   Seamstress   Cannot read   -   Married   -
www.ancestryireland.comHUGH   MCILVENNA   1839   PATRICK   Antrim   
HUGH   MCILVENNA   1855   HUGH   Antrim   
HUGH   MCILVENNA   1885   JOHN   Antrim
ROSE   MCILVENNA   1839   JOHN   Antrim   Log in Register
ROSE   MCILVENNA   1851   JOHN   Antrim   
emerald ancestry   
Belfast Street directories don’t list Hugh but there are Mrs McIlvenna, he/they could be living with his widowed mother see 
http://www.lennonwylie.co.uk There are street directories searchable at PRONI
so nothing but negative results
good luck, hoping others join in
BallyaltikilliganG