Cranitch was born in Rathcormac, County Cork. In 1969 he was nominated by the Taoiseach Jack Lynch to the 12th Seanad. In 1973, he stood for election on the Administrative Panel, but did not win a seat. However, in 1977 he won a seat in the 14th Seanad, which he held until his defeat in the 1983 election to the 18th Seanad.
He served briefly as Cathaoirleach of the Seanad, from January to June 1973.
|Cathaoirleach of Seanad Éireann
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