Alonzo married Julia Augusta Perkins on 24 Aug 1876 in Iowa, USA. Julia (daughter of Austin W. Perkins and Olive Berry) was born in 1858 in Middlefield Township, , Buchanan, Iowa, USA; died on 15 Dec 1946 in Delavan, Fairbault, Minnesota, USA. [Group Sheet] [Family Chart]

1. John A. Leach was born in likely Iowa, USA .
2. James A. Leach was born in likely Iowa, USA .
3. Elsie Leach was born in likely Iowa, USA .
4. Charles Wesley Leach was born in likely Iowa, USA .
5. Ida May Leach was born on 10 Jan 1879 in Vinton, Benton, Iowa, USA; died on 25 Nov 1956 in Delavan, Fairbault, Minnesota, USA.
6. Cora Elizabeth Leach was born on 19 Oct 1887; died on 4 Apr 1889.