He married Agnes Elizabeth Ernst, a Lutheran, in 1910; they had five children, including the future Katharine Graham and another daughter Florence Meyer (1911-1962) (Mrs. Oskar Homolka).
In 1939, Meyer married the Austrian character actor Oskar Homolka (1898–1978).
Oskar Kokoschka | Oskar Schindler | Lee Oskar | Paul Oskar Kristeller | Oskar Sima | Oskar Pfister Award | Oskar Luts | Oskar Linnros | Oskar Kohnstamm | Oskar Fischinger | Oskar Eustis | Oskar von Miller | Oskar Vogt | Oskar Sosnowski | Oskar Seidlin | Oskar Schlemmer | Oskar Piotrowski | Oskar Homolka | Oskar Heil | Óskar Halldórsson | Oskar Barnack | Karla Homolka | Walter Homolka | Viktor Oskar Tilgner | Oskar von Watter | Oskar von Hutier | Oskar von Hindenburg | Oskar Skarsaune | Oskar Schmiedel | Oskar Sala |