Career
Slinn was born in Sheffield, Yorkshire, England, and was a right arm, round arm, fast bowler. He took 111 wickets in his nineteen first-class games at an average of 13.20. His best bowling was 8 for 33 against Surrey.
He took five wickets in an innings nine times, and ten wickets in a match on four occasions.
He was less successful as a right handed batsman, scoring 46 runs at an average of 2.00, with a best score of 11. He also took eleven catches.
Slinn died in June 1888 in Wortley, Leeds, Yorkshire.