MF
Mary Frederick — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Wayne, Michigan
Our Model Tree links this Mary Frederick across the 1930 and 1940 US Censuses in Wayne, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 11-person household.
Age 38
b. ~1892
Female
Spouse
Born: Poland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Wayne, Michigan |
| Surname | Frederick |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Poland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1903 |
| Age at First Marriage | 17 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Polish |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
| Township / Ward | City Of Wyandotte Part Of |
| Est. Birth Year | ~1892 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Alexander Frederick | Son | — | 9 | ~1921 |
| Jadwiga Frederick | Daughter | — | 13 | ~1917 |
| Genevieve Frederick | Daughter | — | 3 | ~1927 |
| Chester Frederick | Son | — | 17 | ~1913 |
| Wladyslaw Frederick | Daughter | — | 11 | ~1919 |
| Sophia Frederick | Daughter | — | 16 | ~1914 |
| Edward Frederick | Son | — | 6 | ~1924 |
| Mary Frederick | Spouse | — | 38 | ~1892 |
| Frank Frederick | Head | — | 42 | ~1888 |
| Frank Frederick | Son | — | 15 | ~1915 |
| Joseph Frederick | Son | — | 6 | ~1924 |
Census Appearances
1930
Wayne, Michigan
Spouse, age 38
Wayne, Michigan · implied b. ~1892 — 11 household members
| Surname | Frederick |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Poland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1903 |
| Age at First Marriage | 17 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Polish |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1940
Wayne-County, Michigan
Spouse, age 48
Wayne-County, Michigan · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fredericks |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | Wyandotte City |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Alien |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
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 Frederick across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Frederick
Spouse · 1930 · age 38 · b. ~1892 · Michigan
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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:michigancensus00reel1076:0906)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Samuel Richards | 42 | Head | Foreman | England |
| 2 | Emma Richards | 42 | Wife | None | England |
| 3 | Nellie Richards | 21 | Daughter | Stenographer | England |
| 4 | Eric W. Richards | 20 | Son | Core Maker | England |
| 5 | Samuel G. Richards | 16 | Son | Messenger Boy | Michigan |
| 6 | Thomas H. Richards | 16 | Son | Messenger Boy | Michigan |
| 7 | Edith L. Richards | 14 | Daughter | None | Michigan |
| 8 | John P. Richards | 12 | Son | None | Michigan |
| 9 | Irene Richards | 10 | Daughter | None | Michigan |
| 10 | David G. Ingersoll | 55 | Head | None | England |
| 11 | Agnes Ingersoll | 47 | Wife | Electrician | England |
| 12 | John Ingersoll | 24 | Son | Bricklayer | England |
| 13 | Winifred Ingersoll | 13 | Daughter | None | England |
| 14 | Joseph Darby | 45 | Head | Laborer | England |
| 15 | Emma Darby | 51 | Wife | None | England |
| 16 | Frederick R. Darby | 15 | Son | None | England |
| 17 | Charles Darby | 17 | Son | None | England |
| 18 | Joseph Woollascroft | 19 | Step-son | Laborer | England |
| 19 | Frank Hess | 28 | Head | Carpenter | Ohio |
| 20 | Grace Hess | 34 | Wife | None | Canada-English |
| 21 | James Hess | 10 | Son | None | Michigan |
| 22 | Virginia Hess | 5 | Daughter | None | Michigan |
| 23 | Mildred Hess | 3 | Daughter | None | Michigan |
| 24 | Robert Hess | 1 | Son | None | Michigan |
| 25 | William Hess | 21 | Brother | Carpenter | Ohio |
| 26 | Neva V. Hess | 32 | Daughter | None | Ohio |
| 27 | Maxine Hess | 4 | Daughter | None | Michigan |
| 28 | Frank E. Dunning | 20 | Son | None | Colorado |
| 29 | Alfred Sidebottom | 53 | Head | Molder | England |
| 30 | Hattie G. Sidebottom | 53 | Wife | None | Michigan |
| 31 | Peter A. Sidebottom | 18 | Son | Salesman | Michigan |
| 32 | Ralph M. Radford | 33 | Head | Repairman | Indiana |
| 33 | Janet Radford | 32 | Wife | None | Canada-English |
| 34 | Richard Radford | 6 | Son | None | Indiana |
| 35 | Wayne Radford | 4 | Son | None | Indiana |
| 36 | Frank Frederick | 42 | Head | Heater Tender | Poland |
| 37 | Mary Frederick THIS PERSON | 38 | Wife | None | Poland |
| 38 | Chester Frederick | 17 | Son | Machine Repairer | Ohio |
| 39 | Sophia Frederick | 16 | Daughter | Messenger | Michigan |
| 40 | Frank Jr. Frederick | 15 | Son | None | Michigan |
| 41 | Jadwiga Frederick | 13 | Daughter | None | Michigan |
| 42 | Wladyslaw Frederick | 11 | Daughter | None | Michigan |
| 43 | Alexander Frederick | 9 | Son | None | Michigan |
| 44 | Edward Frederick | 6 | Son | None | Michigan |
| 45 | Joseph Frederick | 6 | Son | None | Michigan |
| 46 | Genevieve Frederick | 3 | Daughter | None | Michigan |
| 47 | Ray J. Kornell | 31 | Head | Driver | Canada-English |
| 48 | Mildred E. Kornell | 24 | Wife | None | Michigan |
| 49 | Russell J. Kornell | 1 | Son | None | Michigan |
| 50 | Marion Wetherell | 34 | Head | Truck Driver | Michigan |
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)