NSW Marriage Cert No.22491/1949 state that the marriage of John Denis HICKEY to Patricia Kathleen O'KANE was registered in Paddington, Sydney NSW in 1949.

The Sydney Morning Herald (NSW) - Wednesday 9 November 1949
"SATIN ROSES...
Large hand-made white satin roses were on the train and portrait neckline of the white French moire faille frock Miss Patricia O'Kane wore for her wedding to Mr. John Hickey at St. Mary Magdalene's Church, Rose Bay, last night.
The bride, who is the youngest daughter of Mr. and Mrs. W. J. O'Kane, of Rose Bay, was attended by her sister, Mrs. J. M. Sullivan, of S'Antoine, Cassilis, and Miss Dorothy Porter, of Newcastle. They wore bouffant frocks of primrose chantilly lace over net.
The bridegroom, who is the only son of Mr. and Mrs. John Hickey, of Bondi, was attended by Messrs. Edmund Baulman and Richard Bracken. MR. and MRS. JOHN HICKEY, whose wedding was celebrated at St. Magdalene's Church, Rose Bay, last night."

Catholic Weekly (Sydney, NSW) - Thursday 3 November 1949 - About People
"PRESIDENT of Waverley College Old Boys' Union, John Hickey, will wed Patricia O'Kane, ex- student of St. Vincent's, Potts Point, on Tuesday, November 8, at St. Mary Magdalene Church, Rose Bay. Reception will be held at the Royal Sydney Golf Club. Patricia's sister, Mrs. J. M. Sullivan, of 'S'Antoine,' Cassilis, and Miss Dorothy Porter, of Newcastle, will attend her, and John will be attended by Messrs. E, Baulman and Richard Bracken. Mrs. Sullivan and Patricia's other sister, Mrs. J. P. Hegarty, of 'Belvedere,' Cassilis, arrived this week for the round of pre-weddlng parties. These include a party given by Mrs. John Hickey, a luncheon given yesterday at Prince's by Mrs. John O'Kane, a cocktail party on November 6 hostessed by Mrs. M. Magulre, of Double Bay, and a party this week-end by Dorothy Porter and Patricia's sisters. Patricia is the youngest daughter of Mr. and Mrs. W. J. O'Kane, of Rose Bay, and John is the only son of Mr. and Mrs. John Hickey, of Bondi.

Catholic Weekly (Sydney, NSW) - Thursday 17 November 1949 - City And Country Weddings
"At St. Mary Magdalene's Church, Rose Bay, the Very Rev. Monsignor R. J. O'Regan, P.P., officiated at the marriage of Patricia, youngest daughter of Mr. and Mrs. W. J. O'Kane, of Rose Bay, and John, only son of Mr. and Mrs. John Hickey, of Bondi. The bride's sister, Mrs. J. M. Sullivan, of "S' Antoine," Cassilis, was matron of honor, and Miss Dorothy Porter, of Newcastle, was bridesmaid.
Messrs. Edward. Baulman and Richard Bracker attended the bridegroom, who is president of Waverley Christian Brothers' Old Boys' Union.
Reception was held at the Royal Sydney Golf Club."