Walter married Caroline H. Haeg on 24 Nov 1874 in Hennepin County, Minnesota, USA. Caroline (daughter of Johannes Valentin Hög Haeg and Susanna Price) was born in 1854 in Bloomington, Hennepin County, Minnesota, USA; died on 31 May 1891 in Minneapolis, Hennepin County, Minnesota, USA; was buried in St. Mary's Cemetery, Minneapolis, Hennepin County, Minnesota, USA. [Group Sheet] [Family Chart]

1. Alice Susan Tully was born in 0Nov 1875 in Hennepin County, Minnesota, USA; died on 6 Apr 1903 in Hennepin County, Minnesota, USA; was buried in Lakewood Cemetery, Minneapolis, Hennepin County, Minnesota, USA.
2. Mary Gertrude Tully was born on 8 Feb 1877 in Bloomington, Hennepin County, Minnesota, USA; died on 8 Feb 1953.
3. Katherine Tully was born on 14 Aug 1878 in Bloomington, Hennepin County, Minnesota, USA; died on 16 Apr 1950 in Minneapolis, Hennepin County, Minnesota, USA.