JC
John Crowley — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hennepin-County, Minnesota
Our Model Tree links this John Crowley across the 1920, 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed), with identified parents John & Nellie — first a son (b.~1902), then head of a 3-person household.
Age 38
b. ~1902
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hennepin-County, Minnesota |
| Surname | Crowley |
| Given Name | John C. Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis City |
| 1935 Residence (County) | Hennepin |
| Additional Details | |
| Occupation | lawyer |
| Industry | private practice |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 452 |
| Highest Grade | C-5 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Lawyer |
| Township / Ward | Minneapolis City |
| Est. Birth Year | ~1902 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Crowley | Head | — | 77 | ~1863 |
| John Crowley | Son | — | 38 | ~1902 |
| Helen Crowley | Daughter | — | 28 | ~1912 |
Census Appearances
1920
Hennepin, Minnesota
Son, age 18
Hennepin, Minnesota · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crowley |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Wisconsin |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Hennepin, Minnesota
Son, age 28
Hennepin, Minnesota · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crowley |
| Given Name | John C. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Wisconsin |
| Occupation | Lawyer |
| Industry | Independent |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Hennepin-County, Minnesota
Son, age 38
Hennepin-County, Minnesota · implied b. ~1902 — 3 household members
| Surname | Crowley |
| Given Name | John C. Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis City |
| 1935 Residence (County) | Hennepin |
| Occupation | lawyer |
| Industry | private practice |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 452 |
| Highest Grade | C-5 |
| 1935 Residence | Same house |
| 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 Crowley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Crowley (~0.92 confidence) and mother Nellie Crowley (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Crowley
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Nellie Crowley
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Crowley
Son · 1940 · age 38 · b. ~1902 · Minnesota
★ You are viewing this record
Sibling
Helen Crowley
Sibling · 1940 · age 28
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 — Hennepin-County, Minnesota
Open full size
1940 US Federal Census — Hennepin-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01993-00075)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Steen, Theodore B. Jr. Steen | 18 | son | — | Minnesota |
| 42 | Frank A. Hunscount|Hunscourt | 49 | Head | Office Manager | Missouri |
| 43 | Gayle S. Hunscount|Hunscourt | 44 | wife | — | Ohio |
| 44 | Robert N. Hunscount|Hunscourt | 14 | son | — | Minnesota |
| 45 | F. Norman Hunscount|Hunscourt | 6 | son | — | Minnesota |
| 46 | Doris Peterson | 19 | maid | Servant | Minnesota |
| 47 | Harry M. Harrison | 32 | Head | Salesman | Iowa |
| 48 | Bette Harrison | 30 | wife | — | Minnesota |
| 49 | Joan Harrison | 12 | daughter | — | Minnesota |
| 50 | Beverly J. Harrison | 10 | daughter | — | Minnesota |
| 51 | Harry Jr. Harrison | 6 | son | — | Minnesota |
| 52 | Sandra M. Harrison | 3 | daughter | — | Minnesota |
| 53 | Evelyn Mack | 26 | maid | Servant | Minnesota |
| 54 | George F. Steffen | 25 | Head | Receiving Clerk | South Dakota |
| 55 | Monica Steffen | 23 | wife | — | Minnesota |
| 56 | Maureen Steffen | 2 | daughter | — | Minnesota |
| 57 | Amanda Vedeler | 78 | Head | — | Sweden |
| 58 | Augusta Grottengeier | 39 | Head | Press Girl | Iowa |
| 59 | Bertha Grottengeier | 38 | sister | Clerk | Minnesota |
| 60 | Hilda Helen Pfeiffer | 26 | Partner | Waitress | Minnesota |
| 61 | Esther Haller | 36 | Partner | — | Minnesota |
| 62 | Elizabeth M. Grace | 67 | Head | — | Minnesota |
| 63 | Virginia Grace | 27 | daughter | — | Minnesota |
| 64 | Claire Hays | 56 | sister | — | Minnesota |
| 65 | John C. Crowley | 77 | Head | Osteopath | Vermont |
| 66 | John C. Jr. Crowley THIS PERSON | 38 | son | Lawyer | Minnesota |
| 67 | Helen L. Crowley | 28 | daughter | — | Minnesota |
| 68 | Frank A. Klinberg | 28 | Head | Accountant | Michigan |
| 69 | Joyce Klinberg | 24 | wife | — | South Dakota |
| 70 | Samuel Okney | 37 | Head | Accountant | Maryland |
| 71 | Helen Okney | 30 | wife | — | Minnesota |
| 72 | Myra Okney | 9 | daughter | — | Minnesota |
| 73 | William L. Gehl | 52 | Head | Proprietor | Germany |
| 74 | Katie L. Gehl | 49 | wife | — | Minnesota |
| 75 | Emma S. Francis | 67 | Head | — | Minnesota |
| 76 | Georgia Francis | 27 | daughter | Proprietor | Minnesota |
| 77 | Clifford Le Veau | 39 | Head | Salesman | Minnesota |
| 78 | Eleanor Le Veau | 34 | wife | — | Minnesota |
| 79 | Harry E. Poppe | 32 | Head | Claim Agent | Wisconsin |
| 80 | Mary Poppe | 24 | wife | — | Minnesota |
Related Census Records
Pedigree Summary
John + 1 sibling
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)