JC
John Cullen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this John Cullen across the 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Cullen |
| Given Name | John Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| Additional Details | |
| Occupation | Laboratory Asst. |
| Industry | William Keefe Mfg. Co. |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 560 |
| Highest Grade | C 1 |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Laboratory Asst. |
| Township / Ward | St Paul City |
| Est. Birth Year | ~1919 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Cullen | Head | — | 63 | ~1877 |
| Anna Cullen | Spouse | — | 58 | ~1882 |
| Margaret Cullen | Daughter | — | 14 | ~1926 |
| Thomas Cullen | Son | — | 12 | ~1928 |
| John Cullen | Son | — | 21 | ~1919 |
| Anne Cullen | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Ramsey, Minnesota
Son, age 12
Ramsey, Minnesota · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Callen |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Son, age 21
Ramsey-County, Minnesota · implied b. ~1919 — 6 household members
| Surname | Cullen |
| Given Name | John Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| Occupation | Laboratory Asst. |
| Industry | William Keefe Mfg. Co. |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 560 |
| Highest Grade | C 1 |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 John Cullen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Cullen
Son · 1940 · age 21 · b. ~1919 · Minnesota
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Sibling
Margaret Cullen
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Cullen
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Cullen
Sibling · 1940 · age 19
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 — Ramsey-County, Minnesota
Open full size
1940 US Federal Census — Ramsey-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02002-00617)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Roger Healy | 22 | Son | — | Minnesota |
| 2 | William Healy | 18 | Son | — | Minnesota |
| 3 | Marion Swanson | 30 | Servant | Housework | Minnesota |
| 4 | James C. Mantel | 33 | Head | Medical Doctor | Minnesota |
| 5 | Inez Mantel | 31 | Wife | — | Minnesota |
| 6 | Robert P. Mantel | 4 | Son | — | Minnesota |
| 7 | D. D. Hilger | 62 | Head | Physician Surgeon | Minnesota |
| 8 | John B. Hilger | 50 | Brother | Physician Surgeon | South Dakota |
| 9 | Hulda Anderson | 44 | Housekeeper | Housekeeper | Sweden |
| 10 | John A. Cullen | 63 | Head | Accountant | Canada English |
| 11 | Anna C. Cullen | 58 | Wife | — | Wisconsin |
| 12 | John Thomas Cullen THIS PERSON | 21 | Son | Laboratory Asst. | Minnesota |
| 13 | Anne Marie Cullen | 19 | Daughter | Office Assistant | Minnesota |
| 14 | Margaret Mary Cullen | 14 | Daughter | — | Minnesota |
| 15 | Thomas C. Cullen | 12 | Son | — | Minnesota |
| 16 | — | None | — | — | — |
| 17 | Frank J. Lorenz | 55 | Head | Attorney | Michigan |
| 18 | Grace Lorenz | 53 | Wife | — | Michigan |
| 19 | Robert M. Lorenz | 21 | Son | Odd Jobs | Minnesota |
| 20 | Luce Marie Lorenz | 18 | Daughter | Clerk In Office | Minnesota |
| 21 | Margarette M. Lorenz | 12 | Daughter | — | Minnesota |
| 22 | Mary A. Watson | 78 | Head | — | Wisconsin |
| 23 | Hulda Watson | 44 | Daughter | — | Wisconsin |
| 24 | B. Moore Watson | 50 | Son-in-law | Department Manager | Minnesota |
| 25 | Eugene Mcdougall | 43 | Lodger | Attorney | Minnesota |
| 26 | George F. Shea | 44 | Head | Manager | New York |
| 27 | Alice B. Shea | 37 | Wife | — | New York |
| 28 | Louis S. Headley | 54 | Head | Vice President | Minnesota |
| 29 | Sylvia R. Headley | 51 | Wife | — | Ohio |
| 30 | Sara Headley | 22 | Daughter | — | Minnesota |
| 31 | William R. Headley | 21 | Son | — | Minnesota |
| 32 | Sherman R. Headley | 17 | Son | — | Minnesota |
| 33 | Russell L. Headley | 15 | Son | — | Minnesota |
| 34 | Sigrid Swanson | 24 | Servant | Housework | Minnesota |
| 35 | Mary A. Rumsey | 58 | Head | — | Minnesota |
| 36 | Anne M. Rumsey | 25 | Daughter | Stenographer | Minnesota |
| 37 | Vignis B. Bank | 20 | Lodger | Typist | Minnesota |
| 38 | Ellen Olson | 77 | Head | — | Sweden |
| 39 | Gordon H. Watson | 31 | Head | Examiner | Minnesota |
| 40 | Mary T. Watson | 23 | Wife | Key Punch Opr. | Minnesota |
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)