Chart 1     [† means all children believed found, ‡ means death is computed at 112 years]

Petroski, Catherine F (b:)(d:)
. . . . .Costello, Peter Thomas Jr (b:1930)(d:2009)[with: Costello, Peter T Sr]
. . . . . . . . . .Costello, Stephen T (b:1958)(alive: 2023)[with: Caruso, Lucille K (Lucy)]
. . . . . . . . . . . . . . .Costello, Evan Thomas (b:1997)(d:)[with: Fisher, Sally Lou]
. . . . . . . . . .Costello, Thomas P (b:1963)(alive: 2023)[with: Caruso, Lucille K (Lucy)]
. . . . . . . . . . . . . . .Costello, Tyler Thomas (b:1997)(d:)[with: Morin, Ann Terese]
. . . . . . . . . . . . . . .Costello, Casey Lee (b:2001)(d:)[with: Morin, Ann Terese]