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Mary Bullock — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Wayne, Michigan
Our Model Tree links this Mary Bullock across the 1920 and 1930 US Censuses in Wayne, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 7-person household.
Age 13
b. ~1917
Female
Daughter
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Wayne, Michigan |
| Surname | Bullock |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1917 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Bullock | Daughter | — | 16 | ~1914 |
| Mary Bullock | Daughter | — | 13 | ~1917 |
| Evelyn Bullock | Daughter | — | 14 | ~1916 |
| Irene Bullock | Daughter | — | 7 | ~1923 |
| William Bullock | Head | — | 42 | ~1888 |
| Jenny Bullock | Spouse | — | 37 | ~1893 |
| Betty Bullock | Daughter | — | 9 | ~1921 |
Census Appearances
1920
Wayne, Michigan
Daughter, age 2
Wayne, Michigan · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bullock |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Ohio |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Daughter, age 13
Wayne, Michigan · implied b. ~1917 — 7 household members
| Surname | Bullock |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Bullock across 2 US Census years (1920 and 1930) in Wayne, Michigan, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Bullock
Daughter · 1930 · age 13 · b. ~1917 · Michigan
★ You are viewing this record
Sibling
Evelyn Bullock
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Bullock
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Bullock
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Bullock
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Wayne, Michigan
Open full size
1930 US Federal Census — Wayne, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel1066:1041)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert Filskia | 40 | Head | Foreman | Michigan |
| 2 | Florence Filskia | 40 | Wife | — | Michigan |
| 3 | Geraldine Filskia | 5 | Daughter | — | Michigan |
| 4 | Ilene Filskia | 3 | Daughter | — | Michigan |
| 5 | Loretta Filskia | 2 | Daughter | — | Michigan |
| 6 | Rhue Boston | 36 | Head | Gear Cutter | Pennsylvania |
| 7 | Jenny Boston | 34 | Wife | — | Pennsylvania |
| 8 | Morris Boston | 24 | Brother | Laborer | Pennsylvania |
| 9 | Bessie Boston | 22 | Sister-in-law | — | Pennsylvania |
| 10 | Theodore Zuelch | 38 | Head | Woodworker | Michigan |
| 11 | Clara Zuelch | 37 | Wife | — | Michigan |
| 12 | Edward Zuelch | 14 | Son | — | Michigan |
| 13 | Elmer Zuelch | 14 | Son | — | Michigan |
| 14 | Walter Zuelch | 12 | Son | — | Michigan |
| 15 | Alfreda Zuelch | 11 | Daughter | — | Michigan |
| 16 | Ruth Zuelch | 5 | Daughter | — | Michigan |
| 17 | Earl Zuelch | 5 | Son | — | Michigan |
| 18 | William Delmarech | 35 | Head | Electrician | Canada |
| 19 | Edith Delmarech | 30 | Wife | — | England |
| 20 | Edith V. Delmarech | 8 | Daughter | — | Michigan |
| 21 | Shirley A. Delmarech | 4 | Daughter | — | Michigan |
| 22 | Louis Wilczynski | 38 | Head | Inspector | New York |
| 23 | Catherine Wilczynski | 31 | Wife | — | Ohio |
| 24 | Leonard Wilczynski | 9 | Son | — | Michigan |
| 25 | Dorothy Wilczynski | 7 | Daughter | — | Michigan |
| 26 | Daniel Wilczynski | 6 | Son | — | Michigan |
| 27 | Helen Wilczynski | 3 | Daughter | — | Michigan |
| 28 | William G. Bullock | 42 | Head | Letter Carrier | Michigan |
| 29 | Jenny A. Bullock | 37 | Wife | — | Ohio |
| 30 | Eleanor Bullock | 16 | Daughter | — | Michigan |
| 31 | Evelyn G. Bullock | 14 | Daughter | — | Michigan |
| 32 | Mary A. Bullock THIS PERSON | 13 | Daughter | — | Michigan |
| 33 | Betty J. Bullock | 9 | Daughter | — | Michigan |
| 34 | Irene C. Bullock | 7 | Daughter | — | Michigan |
| 35 | Charles Davidson | 38 | Head | Mechanic | Finland |
| 36 | Fanny Davidson | 29 | Wife | — | Finland |
| 37 | Charles Jr. Davidson | 6 | Son | — | Michigan |
| 38 | Fred Grunnow | 37 | Head | Goldsmith | Michigan |
| 39 | Mary Grunnow | 33 | Wife | — | Canada-Eng |
| 40 | Felix De Bendictis | 48 | Head | Repairman | Italy |
| 41 | Mary De Bendictis | 45 | Wife | — | Italy |
| 42 | Philip De Bendictis | 21 | Son | Tool Maker | Italy |
| 43 | Aurelio De Bendictis | 34 | Boarder | Laborer | Italy |
| 44 | Joseph Pfeiffer | 40 | Head | Stock Man | Michigan |
| 45 | Agatha Pfeiffer | 35 | Wife | — | Michigan |
| 46 | Martin Reinke | 15 | Brother-in-law | — | Michigan |
| 47 | Leo A. Warras | 24 | Head | Final Assembly | Michigan |
| 48 | Theresa Warras | 23 | Wife | — | Michigan |
| 49 | Joseph Vollmert | 58 | Head | Laborer | Germany |
| 50 | Bernadine Vollmert | 58 | Wife | — | Germany |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)