Matthew Sherlock

Seeking information on Matthew's parents.
Matthew, born about 1850, Sligo, Ireland, joined the police force in Ballymote, Ireland about 1870, died Warrenpoint, County Down about 1889.married Lizzie Mary Hamilton in Newry, County Down.
Want to find more about Matthew's father Patrick, Patrick was a farmer, & had died prior to Matthew's marriage, in March 1879.
So Patrick is our main interest at this time.
Hopefully, one of you may have an answer to share.