MC
Mary Cullen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Oakland-County, Michigan
Our Model Tree links this Mary Cullen across the 1930 and 1940 US Censuses in Oakland-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 5-person household.
Age 11
b. ~1929
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Oakland-County, Michigan |
| Surname | Cullen |
| Given Name | Mary H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Ferndale |
| 1935 Residence (County) | Oakland |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 6 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Ferndale City |
| Est. Birth Year | ~1929 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Charles Cullen | Head | — | 41 | ~1899 |
| Margaret Cullen | Daughter | — | 14 | ~1926 |
| Mary Cullen | Daughter | — | 11 | ~1929 |
| Ann Cullen | Spouse | — | 36 | ~1904 |
| Charles Cullen | Son | — | 17 | ~1923 |
Census Appearances
1930
Oakland, Michigan
Daughter, age 2
Oakland, Michigan · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cullen |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Oakland-County, Michigan
Daughter, age 11
Oakland-County, Michigan · implied b. ~1929 — 5 household members
| Surname | Cullen |
| Given Name | Mary H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Ferndale |
| 1935 Residence (County) | Oakland |
| Class of Worker | 0 |
| Highest Grade | 6 |
| 1935 Residence | Michigan |
| 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 Cullen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cullen
Daughter · 1940 · age 11 · b. ~1929 · Michigan
★ You are viewing this record
Sibling
Margaret Cullen
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Cullen
Sibling · 1940 · age 17
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
1940 US Federal Census — Oakland-County, Michigan
Open full size
1940 US Federal Census — Oakland-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01799-00253)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Allan J Keener | 13 | Son | — | Michigan |
| 2 | Vila M Harrison | 39 | Head | Machine Oper | Tennessee |
| 3 | Rachel M Harrison | 17 | Daughter | — | Tennessee |
| 4 | Roland H Harrison | 15 | Son | — | Tennessee |
| 5 | Edith M Harrison | 12 | Daughter | — | Tennessee |
| 6 | James E Harrison | 8 | Son | — | Michigan |
| 7 | John H Beckman | 46 | Lodger | Salesman | Michigan |
| 8 | Myrtle M Elwin | 51 | Head | Sales Woman | Texas |
| 9 | Patricia L Elwin | 26 | Daughter | Salesman | Pennsylvania |
| 10 | Margaret A Zimmer | 14 | Niece | — | Pennsylvania |
| 11 | Clarence E Harrison | 24 | Head | Gardener | Michigan |
| 12 | Mary J Harrison | 22 | Wife | House Wife | Michigan |
| 13 | Charles Cullen | 41 | Head | Maintenance | Scotland |
| 14 | Ann Cullen | 36 | Wife | Housewife | Scotland |
| 15 | Charles Jr Cullen | 17 | Son | Pool, Etc | Michigan |
| 16 | Margaret Ann Cullen | 14 | Daughter | — | Michigan |
| 17 | Mary H Cullen THIS PERSON | 11 | Daughter | — | Michigan |
| 18 | John S Finlayson | 34 | Head | Fireman | Canada |
| 19 | Bernice S Finlayson | 30 | Wife | House Wife | Michigan |
| 20 | Andrew Stiffer | 75 | Head | Glazier | Michigan |
| 21 | Emma Stiffer | 70 | Wife | House Wife | Michigan |
| 22 | Frank A Stiffer | 46 | Son | Clerical | Michigan |
| 23 | Earl A Beamer | 30 | Head | Plant Man | Pennsylvania |
| 24 | Beatrice B Beamer | 26 | Wife | Housewife | California |
| 25 | Mary E Beamer | 3 | Daughter | — | Michigan |
| 26 | Burtis A Bould | 50 | Head | Cook | England |
| 27 | Vivian A Bould | 23 | Daughter | Maid | Michigan |
| 28 | Ronald A Bould | 20 | Son | Test Marker | Michigan |
| 29 | Kathleen M Bould | 18 | Daughter | Maid | Michigan |
| 30 | Barbara M Bould | 14 | Daughter | — | Michigan |
| 31 | Patricia J Bould | 12 | Daughter | — | Michigan |
| 32 | Charles E Redlin | 47 | Head | Mill Wright | Michigan |
| 33 | Emma Redlin | 41 | Wife | House Wife | England |
| 34 | William C Redlin | 20 | Son | — | Canada |
| 35 | Peggy J Redlin | 16 | Daughter | — | Canada |
| 36 | James S Redlin | 14 | Son | — | Illinois |
| 37 | Charles J Kaufman | 54 | Head | Machinist | Michigan |
| 38 | Mary J Kaufman | 48 | Wife | House Wife | Michigan |
| 39 | William S Kaufman | 28 | Son | Crane Oper | Michigan |
| 40 | Clara M Kaufman | 25 | Daughter | Clerk | Michigan |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)