Cortland married Almira Sixbury 1863, Sandy Creek, Oswego County, New York. Almira (daughter of Henry Sixbury and Abigail Cronk) was born Nov 1846, Ellisburg, New york; died 8 Jul 1910, Sandy Creek, Oswego County, New York. [Group Sheet]

1. Electra Helmer was born 31 Dec 1866; died Yes, date unknown.
2. Maria Helmer was born 1867; died Yes, date unknown.
3. Benjamin Helmer was born 4 Jul 1870; died Yes, date unknown.
4. Polly Helmer was born 1871; died Yes, date unknown.
5. Mary Elizabeth Helmer was born 17 Feb 1876; died Yes, date unknown.
6. Nora Helmer was born 1880; died Yes, date unknown.
7. Edith May Helmer was born 11 Aug; died 17 Oct 1956.
8. Pearl Helmer was born 19 Dec 1886; died Yes, date unknown.

Cortland — Cortland's First Wife Unknown. Cortland's died Yes, date unknown. [Group Sheet]