| Mainzer, Anna Mathilde | Bolte | 1919 | Bremen 2 (Hastedt) |
| Mainzer, Auguste Lina Minna | Ringe | 1920 | Bremen 3 (Woltm.hsn) |
| Mainzer, Carl | 1907 | Bremen 1 | |
| Mainzer, Carol. Joh. Adelg. M.E. | 1879 | Bremen | |
| Mainzer, Gertrud Herm. Hel. | 1886 | Bremen | |
| Mainzer, Gottfried Heinr. | 1878 | Bremen | |
| Mainzer, Gregor | 1894 | Vegesack | |
| Mainzer, Gust. Ad. Wilh. | 1925 | Bremen 1 | |
| Mainzer, Michael | 1923 | Bremen 1 | |
| Mainzer, Valerian Victor Franz | 1882 | Bremen | |
| Mainzer, Wilhelm | 1911 | Bremen 1 | |
| Mainzer, Wilhelm Ferdinand | 1939 | Bremen-Mitte | |
| Mainzer, Wilhelmine Dorothee | 1902 | Bremen 1 |