Son of Paul Eugene Olin and Kate Gladwell, who were married at St. Andrew's Church, Westland Row, Dublin, on 10th October 1871.
in the 1901 census, Patrick was recorded at 66, Brunswick Street, Dublin. He was aged 25, and was a Plumber. He had been born in Dublin City.
His father Eugene Olin was aged 58, had been born in France, and was a Chef
in the 1911 census, Patrick was recorded at 49, Brunswick Street, Dublin. He was aged 33, and was a Master Plumber. He had been born in Dublin City.
Also living with him was his brother Charles aged 24, and an Aunt Ellen Gladwell
Eugene Patrick Olin, a bachelor, a Contractor, from 49 Brunswick Street, son of Eugene Paul Olin, a Chef, married Frances Annie Gibbons, a spinster, from 34 Casimir Road, Harold's Cross, daughter of John Arthur Gibbons, a Tailor's Cutter, on 25 June 1917, at the Church of Mary Immaculate, Refuge of Sinners, Rathmines.
The witnesses were,
Patrick Eugene Olin, aged 90, married, a Retired Heating Engineer, late of 34 Casimir Road, Harold's Cross, died on 29 June 1966, at The Meath Hospital, Heytesbury Street, Dublin.
The cause of death was Uraemia, Chronic Renal Failure, certified