M, #906, b. 1793
| Birth | 1793 | Dennis Lawless was born in 1793 at Warrington, Lancashire, England. |
| Marriage* | 6 June 1815 | He married Sarah Southern on 6 June 1815 at St Elphin Warrington, Lancashire, England. |
| Census | 7 June 1841 | Dennis Lawless appeared on the census of 7 June 1841 at Naylor Street, Warrington, Lancashire, England; he is listed as head of household.1  |
| Census* | 30 March 1851 | He appeared on the census of 30 March 1851 at Heath Side, Warrington, Lancashire, England; he is listed as head of household.2 |
