Family/Spouse: Frances Catherine Young. Frances (daughter of William Young and Catherine Poff) was born in 1845 in Stafford Township, Renfrew County, Ontario, Canada; died on 2 Feb 1928 in Renfrew County, Ontario, Canada. [Group Sheet] [Family Chart]

1. William Ernest Costello was born in Sep 1872 in Ontario, Canada.
2. John S. Costello was born in 1874 in Ontario, Canada.
3. Margret A. Costello was born in 1877 in Ontario, Canada.
4. Charles W. Costello was born in 1880 in Ontario, Canada.
5. James Costello was born in 1883 in Ontario, Canada.
6. Jacob Costello was born on 27 Mar 1885 in Renfrew County, Ontario, Canada; died in 1966.
7. Catherine Costello was born in 1887 in Ontario, Canada.
8. Mabel A. Costello was born in 1889 in Ontario, Canada.
9. Sarah M Costello was born in 1892 in Ontario, Canada.