WB
William Brock — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Wayne, Michigan
Our Model Tree links this William Brock across the 1930 and 1940 US Censuses in Wayne, Michigan (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 6-person household.
Age 3
b. ~1927
Male
Son
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Wayne, Michigan |
| Surname | Brock |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Additional Details | |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1927 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Lillian Brock | Son | — | 40 | ~1890 |
| Julius Brock | Head | — | 71 | ~1859 |
| William Brock | Son | — | 3 | ~1927 |
| Oscar Brock | Son | — | 39 | ~1891 |
| Grace Brock | Daughter | — | 8 | ~1922 |
| Marianne Brock | Daughter | — | 14 | ~1916 |
Census Appearances
1930
Wayne, Michigan
Son, age 3
Wayne, Michigan · implied b. ~1927 — 6 household members
| Surname | Brock |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 13
Wayne-County, Michigan · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brook |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Highest Grade | G 7 |
| 1935 Residence | Same house |
| 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 William Brock across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Brock
Son · 1930 · age 3 · b. ~1927 · Michigan
★ You are viewing this record
Sibling
Oscar Brock
Sibling · 1930 · age 39
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marianne Brock
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Brock
Sibling · 1930 · age 40
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Brock
Sibling · 1930 · age 8
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:michigancensus00reel1057:0717)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Victor Jordania | 35 | Head | Laborer | Italy |
| 52 | Florence Jordania | 22 | Wife | — | Italy |
| 53 | Geraldine Jordania | 3 | Daughter | — | Michigan |
| 54 | Mateo Jordania | 38 | Roomer | Laborer | Italy |
| 55 | Dantelle Simon Jordania | 38 | Roomer | Laborer | Italy |
| 56 | Julius Brock | 71 | Head | — | Germany |
| 57 | Lillian Brock | 40 | Son | Mechanic | Michigan |
| 58 | Oscar Brock | 39 | Son | — | Michigan |
| 59 | Marianne Brock | 14 | Daughter | — | Michigan |
| 60 | Grace Brock | 8 | Daughter | — | Michigan |
| 61 | William Jr Brock THIS PERSON | 3 | Son | — | Michigan |
| 62 | Marlow Lantz | 24 | Head | Engineer | Michigan |
| 63 | Frances Lantz | 23 | Wife | — | Pennsylvania |
| 64 | Lois Lantz | 2 | Daughter | — | Michigan |
| 65 | Russell Krutauger | 29 | Head | Machinist | Illinois |
| 66 | Ruth Krutauger | 27 | Wife | — | Illinois |
| 67 | Lewis Krutauger | 7 | Son | — | Illinois |
| 68 | Thelma Krutauger | 1 | Daughter | — | Michigan |
| 69 | Andre Bayour | 47 | Head | Painter | Hungary |
| 70 | Regina Bayour | 45 | Wife | — | Hungary |
| 71 | Lestine Bayour | 21 | Daughter | Inspector | West Virginia |
| 72 | Regina Bayour | 17 | Daughter | Inspector | Michigan |
| 73 | Herman Wolff | 31 | Son | Truck Driver | Michigan |
| 74 | Elizabeth Wolff | 23 | Son | Machine Operator | New Jersey |
| 75 | Robert Hand | 68 | Head | — | Michigan |
| 76 | Archie Yanyoujian | 28 | Head | Baker | Armenia |
| 77 | Anna Yanyoujian | 28 | Wife | — | Armenia |
| 78 | Mary Yanyoujian | 8 | Daughter | — | Michigan |
| 79 | Tony Yanyoujian | 6 | Son | — | Michigan |
| 80 | Berne Derderian | 26 | Roomer | — | Armenia |
| 81 | Peter Derderian | 36 | Roomer | Automobile | Armenia |
| 82 | Nazrad Derderian | 50 | Roomer | Automobile | Armenia |
| 83 | Paul Tophibian | 45 | Head | Laborer | Armenia |
| 84 | Mattie Tophibian | 38 | Wife | — | Armenia |
| 85 | Sallie Tophibian | 8 | Daughter | — | Michigan |
| 86 | John E Dallas | 34 | Roomer | Tool & Die Maker | New York |
| 87 | Pearl Dallas | 28 | Roomer | — | Michigan |
| 88 | Donald Van Heubus | 21 | Roomer | Moulder | Iowa |
| 89 | Hilda Van Heubus | 21 | Roomer | — | Wisconsin |
| 90 | John Mihari | 53 | Head | Tailor | Hungary |
| 91 | Theresa Mihari | 52 | Wife | — | Hungary |
| 92 | Andrew Mihari | 28 | Son | Salesman | New York |
| 93 | Louis Mihari | 23 | Son | Clerk | New York |
| 94 | Alice Mihari | 19 | Daughter | Operator | New York |
| 95 | Julia Mihari | 17 | Daughter | Salesgirl | New Jersey |
| 96 | Louis Mihari | 11 | Son | — | Michigan |
| 97 | Raymond Mihari | 9 | Son | — | Michigan |
| 98 | Emery Vickelity | 50 | Head | Storekeeper | Hungary |
| 99 | Mary Vickelity | 44 | Wife | — | Hungary |
| 100 | Emery Vickelity | 26 | Son | Salesman | Hungary |
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)