| Celtic Games Played:- | 1919 |
| Other Match Pages:- | 1918 | 1920 |
| Decade of Matches:- | 1911-20 |
| Picture Pages:- | 1918 | 1919 | 1920 |
| League Tables:- | 1918-19 | 1919-20 |
| Date | Competition | Home Team | Score | Score | Away Team | Report | Pictures | Notes |
| JAN | ||||||||
| 1st | League | Rangers | 1 | 1 | Celtic | Report | Pictures | |
| 2nd | League | Celtic | 2 | 0 | Clyde | Report | Pictures | |
| 4th | League | Third Lanark | 2 | 3 | Celtic | Report | Pictures | |
| 11th | League | Celtic | 3 | 1 | Clydebank | Report | Pictures | |
| 18th | League | St Mirren | 0 | 4 | Celtic | Report | Pictures | |
| 25th | League | Celtic | 0 | 0 | Motherwell | Report | Pictures | |
| FEB | ||||||||
| 1st | League | Celtic | 2 | 1 | Kilmarnock | Report | Pictures | |
| 8th | League | Airdrieonians | 1 | 2 | Celtic | Report | Pictures | |
| 15th | League | Celtic | 4 | 1 | Hamilton Academicals | Report | Pictures | |
| 22nd | League | Celtic | 2 | 1 | Partick Thistle | Report | Pictures | |
| MAR | ||||||||
| 8th | League | Morton | 0 | 0 | Celtic | Report | Pictures | |
| 22nd | League | Celtic | 2 | 0 | Queen’s Park | Report | Pictures | |
| APR | ||||||||
| 12th | League | Clydebank | 0 | 2 | Celtic | Report | Pictures | |
| 19th | League | Celtic | 4 | 0 | Falkirk | Report | Pictures | |
| 21st | League | Celtic | 3 | 0 | Airdrieonians | Report | Pictures | |
| 28th | League | Heart of Midlothian | 2 | 3 | Celtic | Report | Pictures | |
| MAY | ||||||||
| 10th | League | Ayr United | 0 | 2 | Celtic | Report | Pictures | Celtic win the league |
| 24 | Glasgow Charity Cup | Queen’s Park | 3 | 1 | Celtic | Report |
| Season Review |
| Statistics 1918-19 |
| League Table 1918-19 |
| Scottish Cup 1918-19 |
| Celtic Team Line-Up 1918-19 |
| Date | Competition | Home Team | Score | Score | Away Team | Report | Pictures | Notes |
| AUG | ||||||||
| 16th | League | Celtic | 3 | 1 | Clydebank | Report | Pictures | |
| 18th | League | Celtic | 3 | 1 | Dumbarton | Report | Pictures | |
| 23rd | League | Hamilton Academicals | 1 | 2 | Celtic | Report | Pictures | |
| 27th | League | Celtic | 1 | 0 | Kilmarnock | Report | Pictures | |
| 30th | League | Celtic | 3 | 0 | Raith Rovers | Report | Pictures | |
| SEP | ||||||||
| 6th | Glasgow Cup Rd 1 | Celtic | 1 | 0 | Rangers | Report | Pictures | |
| 13th | League | Heart of Midlothian | 0 | 1 | Celtic | Report | Pictures | |
| 20th | Glasgow Cup SF | Celtic | 3 | 1 | Queen’s Park | Report | Pictures | |
| 27th | League | Celtic | 3 | 1 | Clyde | Report | Pictures | |
| 29th | League | Third Lanark | 1 | 4 | Celtic | Report | Pictures | |
| OCT | ||||||||
| 4th | Glasgow Cup Final | Celtic | 1 | 0 | Partick Thistle | Report | Pictures | at Parkhead |
| 11th | League | Celtic | 7 | 3 | Hibernian | Report | Pictures | |
| 18th | League | Rangers | 3 | 0 | Celtic | Report | Pictures | |
| 25th | League | Celtic | 3 | 1 | Queen’s Park | Report | Pictures | |
| NOV | ||||||||
| 1st | League | Morton | 1 | 2 | Celtic | Report | Pictures | |
| 8th | League | Celtic | 1 | 1 | Falkirk | Report | Pictures | |
| 15th | League | Ayr United | 1 | 1 | Celtic | Report | Pictures | |
| 22nd | League | Celtic | 0 | 0 | Partick Thistle | Report | Pictures | |
| 29th | League | Aberdeen | 0 | 1 | Celtic | Report | Pictures | |
| DEC | ||||||||
| 6th | League | Celtic | 5 | 0 | Motherwell | Report | Pictures | |
| 13th | League | Airdrieonians | 0 | 0 | Celtic | Report | Pictures | |
| 20th | League | Dumbarton | 0 | 0 | Celtic | Report | Pictures | |
| 27th | League | Celtic | 2 | 1 | Third Lanark | Report | Pictures |