Sylvestor married Harriet Lucille BUELOW on 4 Apr 1931 in Morrison Co., MN. Harriet (daughter of Harry Earl BUELOW and Jennie Mary ST. LAWRENCE) was born on 20 Oct 1914 in Big Falls, Koochiching, MN; died on 26 Oct 1988 in Hopkins, Hennepin, MN; was buried in North Star Cemetery, St. Cloud, Stearns, MN. [Group Sheet] [Family Chart]

1. Janet Carol CAVANAUGH was born on 11 Dec 1933 in Hennepin Co., MN; died on 10 Mar 2004 in Boise, Ada, ID.
2. Lorraine Jane CAVANAUGH was born on 27 Jul 1935 in Hennepin Co., MN; died on 3 Sep 2009 in Hopkins, Hennepin, MN.
3. Living
4. Lavonne Lee CAVANAUGH was born on 7 Apr 1938 in Hennepin Co., MN; died on 27 Aug 2002 in Minneapolis, Hennepin, MN.