MW
Mary William — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Wayne, Michigan
Our Model Tree links this Mary William across the 1930 and 1940 US Censuses in Wayne, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 6-person household.
Age 3
b. ~1927
Female
Daughter
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Wayne, Michigan |
| Surname | William |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Additional Details | |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Hamtramck City Pt |
| 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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Solomon William | Son | — | 4 | ~1926 |
| Mary William | Daughter | — | 3 | ~1927 |
| Ernestine William | Daughter | — | 2 | ~1928 |
| Otis William | Son | — | 6 | ~1924 |
| Sylvester William | Head | — | 26 | ~1904 |
| Margaret William | Spouse | — | 23 | ~1907 |
Census Appearances
1930
Wayne, Michigan
Daughter, age 3
Wayne, Michigan · implied b. ~1927 — 6 household members
| Surname | William |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Daughter, age 13
Wayne-County, Michigan · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Hamtramck City |
| 1935 Residence (County) | Wayne |
| Highest Grade | 6 |
| 1935 Residence | Same Place |
| 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 William across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary William
Daughter · 1930 · age 3 · b. ~1927 · Michigan
★ You are viewing this record
Sibling
Otis William
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernestine William
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Solomon William
Sibling · 1930 · age 4
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:michigancensus00reel1072:0625)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Swiatkowski | 39 | Wife | — | Poland |
| 2 | Mary Swiatkowski | 17 | Daughter | Sausage Maker | Michigan |
| 3 | Joseph Swiatkowski | 15 | Son | — | Michigan |
| 4 | Leonard Swiatkowski | 11 | Son | — | Michigan |
| 5 | Teddy Swiatkowski | 7 | Son | — | Michigan |
| 6 | Peter Russ | 40 | Head | Kettleman | Poland |
| 7 | Gladys Russ | 40 | Wife | — | Pennsylvania |
| 8 | Ernest W Brown | 41 | Head | Motorman | Georgia |
| 9 | Virginia Brown | 38 | Wife | — | West Virginia |
| 10 | Ruth Brown | 20 | Daughter | — | Illinois |
| 11 | Ernest Jr. Brown | 19 | Son | — | Georgia |
| 12 | Clara Brown | 59 | Mother | — | Georgia |
| 13 | David Wolynec | 42 | Head | Laborer | Russia |
| 14 | Bernice Wolynec | 38 | Wife | — | Poland |
| 15 | Adolph Wolynec | 15 | Son | — | Minnesota |
| 16 | Lottie Wolynec | 13 | Daughter | — | Minnesota |
| 17 | Edward Wolynec | 3 | Son | — | Michigan |
| 18 | Peter Benko | 34 | Head | Screw Machine | Yugoslavia |
| 19 | Mary Benko | 28 | Wife | — | Yugoslavia |
| 20 | Annie Benko | 9 | Daughter | — | Yugoslavia |
| 21 | Joe Benko | 4 | Son | — | Yugoslavia |
| 22 | Vito Tomaszewski | 40 | Head | Laborer | Poland |
| 23 | Tillie Tomaszewski | 40 | Wife | Dishwasher | Poland |
| 24 | Stanley Tomaszewski | 13 | Son | — | Michigan |
| 25 | Walter Tomaszewski | 12 | Son | — | Michigan |
| 26 | George Guines | 23 | Head | Crane Operator | Tennessee |
| 27 | Carrie Guines | 22 | Wife | — | Georgia |
| 28 | Norman Guines | 5 | Son | — | Michigan |
| 29 | Fred Guines | 4 | Son | — | Michigan |
| 30 | Clarence Guines | 3 | Son | — | Michigan |
| 31 | Evelyn Guines | 2 | Daughter | — | Michigan |
| 32 | Leonard Guines | 0 | Son | — | Michigan |
| 33 | Sylvester William | 26 | Head | Steam Hammerer | Georgia |
| 34 | Margaret William | 23 | Wife | — | Georgia |
| 35 | Otis William | 6 | Son | — | Michigan |
| 36 | Solomon William | 4 | Son | — | Michigan |
| 37 | Mary L William THIS PERSON | 3 | Daughter | — | Michigan |
| 38 | Ernestine William | 2 | Daughter | — | Michigan |
| 39 | Emory Philpot | 40 | Head | Cement Finisher | Delaware |
| 40 | Rosalie Philpot | 33 | Wife | — | Pennsylvania |
| 41 | James Philpot | 11 | Son (Step) | — | Pennsylvania |
| 42 | George Rainey | 45 | Head | Laborer | Tennessee |
| 43 | Lucy Rainey | 39 | Wife | — | Michigan |
| 44 | Leon Fowler | 36 | Head | Millwright | Georgia |
| 45 | Corrie Fowler | 23 | Wife | — | Georgia |
| 46 | William Ruchin | 42 | Head | Drill Pressman | Florida |
| 47 | Louisa Ruchin | 38 | Wife | — | Georgia |
| 48 | Joseph Trevitt | 40 | Head | Skilled Man | Georgia |
| 49 | Beulah Trevitt | 30 | Wife | — | Mississippi |
| 50 | Henry Jackson | 49 | Head | Janitor | Georgia |
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)