William Power was a son of William Power, of Aughaville, Bantry, Co. Cork, a farmer.
Nora O'Hea was a daughter of James O'Hea and Margaret Driscoll

William Power, a policeman, and Nora O'Hea married on 11 May 1892 in the Catholic Church in Caheragh, Co. Cork.

Children:

William Power, 23 Feb 1893 in Derreenavarrihy, Carheragh, Co. Cork; father based in Killarney

James Power, 26 Feb 1894 in Derreenavarrihy, Carheragh, Co. Cork; father based in Killarney

Annie Power, 29 July 1896 in Derreenavarrihy, Carheragh, Co. Cork; father based in Killarney

Thomas Power, 1 Feb 1898 in Derreenavarrihy, Carheragh, Co. Cork; father based in Killarney

Cornelius Power, 4 Sep 1900 in Derreenavarrihy, Carheragh, Co. Cork; father based in Killarney

Denis Power, 13 Aug 1903 in Derreenavarrihy, Carheragh, Co. Cork; father based in Killarney

Mary Frances Power, 6.15pm on 11 Aug 1905 at residence Mangerton View, Killarney

Nora Agnes Power, 6.20pm on 11 Aug 1905 at residence Mangerton View, Killarney

Census 1901:
http://www.census.nationalarchives.ie/pages/1901/Kerry/Killarney/Ardnamweely/1414320/

Census 1911:
http://www.census.nationalarchives.ie/pages/1911/Kerry/Killorglin/Lower_Bridge_Street/289856/

Deaths:

William Power died at Caheragh, in Skibbereen Rural District on 1 February 1932.  From his death record he was married, aged 71 years, a retired sergeant of the police and his son Denis was present at death and the Informant to the Regisrtar.

Honora Power died at Killeenleigh, Caheragh on 25 March 1933.  From her death record she was a widow, aged 64 years, a widow of  ex sergeant of R.I.C.  Present at her death and Informant was Cornelius Power, her son.