John Costello
M, #4939, b. 12 May 1877, d. 7 August 1878
| Father | William Costello b. 12 Jun 1836, d. 18 Feb 1921 |
| Mother | Sarah Jane Schell b. 26 Feb 1843, d. 15 May 1911 |
John Costello was born on Saturday, 12 May 1877 at Reach Twp., Ontario Co., Ontario, Canada. John died on Wednesday, 7 August 1878 at Reach Twp., Ontario Co., Ontario, Canada, at age 1 year, 2 months and 26 days, due to a growth of tumour. Dr. John Nation attended at the death.