From the 1910 census:
2808 Bambrey Street, Philadelphia
Bernard Wuildgust, head, 24, married for 2 years, born England, parents born England, immigration year 1899, weaver at a lace mill
Susan Wuildgust, wife, 24, married two years, mother of how many children: number born: 1, number alive: 1, born England, parents born England, immigration year 1887
Bernard L Wuildgust, son, 1 8/12, born Pennsylvania, parents born England
1920 census:
2843 Bambrey Street, Philadelphia
Bernard L Wildgust, head, 34, immigration year 1900, naturalized in 1914, born England, parents born England, curtain maker at lace mill
Susan Wildgust, wife, 34, immigration year 1900*, naturalized in 1914, born England, parents born England
Bernard L Wildgust, son, 11, born Pennsylvania, parents born England
Allan C Wildgust, son, 7, born Pennsylvania, parents born England
*It's pretty common for the wrong year to be listed and pretty common for the wife's immigration year to be incorrectly listed as the same as the husband's.
1930 census:
2822 North Stillman Street, Philadelphia
Bonner L Wildgust, head, 45, married at age 23, born England, parents born England, immigration year 1900, naturalized, weaver - lace
Susan Wildgust, wife, 44, married at age 22, born England, parents born England, immigration year 1880 or 1886 (hard to tell what the last number),
Bonner L Wildgust, son, 21, born Pennsylvania, parents born England, knitter - hosiery
Alan C Wildgust, son, 18, born Pennsylvania, parents born England, helper - hosiery
Anna Wildgust, mother, 71, widow, born England, parents, born England, immigration year 1900
Mabel Wildgust, sister, 47.born England, parents, born England, immigration year 1900, bookkeeper - dyer office
If you would like the census images, please PM me your email address and I'll send them to you.
I still can't find Mary or Lucy on the census after 1900.
By the way, the informatant on the death certificate for Mary Jane Churchill was listed as Bernard Wilgust.
Jacquie