| 1900 CEnsus: H. P. Monroe age: not listed born in New York. Occupation: Druggist Wife: Martha Monroe Age: 46 Son: Henry T. Monroe Age: 27 Son: L. R. Monroe: Age: 23 Daughter: K. W. Monroe Age: 24 |
| 1910 Census: Hazard P. Monroe age: 60 born about 1850 in Canada. Occupation: Druggist Wife: Martha Monroe Age: 55 |
| NY-Dunkirk City Drug Store H.P. Monroe & Co. {small} nothing C216S5-33 |
| NY-Fredonia Compliment's Monroe's Pharmacy {spoon} C8372SP64 |