JF
John Flynn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this John Flynn across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 4-person household.
Age 59
b. ~1881
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Flynn |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | City and County of Denver |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | City And County Of Denver |
| Est. Birth Year | ~1881 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Flynn | Head | — | 59 | ~1881 |
| George Boland | Other | — | 28 | ~1912 |
| John Flynn | Son | — | 16 | ~1924 |
| Barbara Flynn | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Denver, Colorado
Head, age 40
Denver, Colorado · implied b. ~1880 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flynn |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Cleaner & Dyer |
| Industry | Own Business |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Denver, Colorado
Head, age 50
Denver, Colorado · implied b. ~1880 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flynn |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Illinois |
| Naturalization Status | Naturalized |
| Year of Immigration | 1863 |
| Age at First Marriage | 34 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Cleaner |
| Industry | Cleaning |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Denver-County, Colorado
Head, age 59
Denver-County, Colorado · implied b. ~1881 — 4 household members
| Surname | Flynn |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | City and County of Denver |
| 1935 Residence (County) | Denver |
| Hours Worked | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Flynn across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Flynn
Head · 1940 · age 59 · b. ~1881 · Colorado
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00489-00064)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Florence D. Carr | 53 | Head | — | Kansas |
| 2 | Almond W. Carr | 25 | Son | Shop Employee | Colorado |
| 3 | Magnus Larson | 73 | Head | — | Sweden |
| 4 | Tilda A. Larson | 63 | Wife | — | Sweden |
| 5 | Elston Pack | 31 | Son | Surveyor | Colorado |
| 6 | Florence Pack | 41 | Daughter | Saleswoman | Illinois |
| 7 | Charles Newmeyer | 60 | Head | Editor | Colorado |
| 8 | Mary E. Newmeyer | 64 | Sister | — | Colorado |
| 9 | Ella Newmeyer | 52 | Sister | — | Colorado |
| 10 | Stella Newmeyer | 56 | Sister | — | Colorado |
| 11 | Joan Newmeyer | 50 | Sister | Writer | Colorado |
| 12 | Rose Newmeyer | 33 | Sister | Supply Teacher | Colorado |
| 13 | Chauncey Warren | 29 | Head | Relief Man | Colorado |
| 14 | Verla Warren | 31 | Wife | Nurse | Colorado |
| 15 | Edith Smith | 53 | Mother-in-law | Linen Clerk | Ohio |
| 16 | Ernestina Lane | 31 | Head | Teacher | Texas |
| 17 | Rita Mcclellan | 30 | Partner | — | Texas |
| 18 | Emmett Snow | 54 | Head | Salesman | Nebraska |
| 19 | Mildred Snow | 36 | Wife | Stenographer | Indiana |
| 20 | Betty Short | 56 | Head | Manager | Iowa |
| 21 | Ellen Donnelly | 26 | Head | Nurse | Colorado |
| 22 | William Donnelly | 19 | Brother | Cook | Colorado |
| 23 | Florence Horta | 23 | Head | Nurse | Colorado |
| 24 | Lois Kelley | 33 | Partner | Beauty Operator | Colorado |
| 25 | Alice Roberts | 24 | Lodger | Practical Nurse | Colorado |
| 26 | Virginia Sweet | 21 | Lodger | Stenographer | Colorado |
| 27 | Estelle Kenney | 47 | Lodger | Stenographer | Colorado |
| 28 | John Males | 21 | Lodger | — | Colorado |
| 29 | Joseph Nordlohne | 46 | Head | Cashier | Kentucky |
| 30 | Grace Nordlohne | 34 | Wife | — | Missouri |
| 31 | Joseph Nordlohne | 15 | Son | — | North Dakota |
| 32 | Welda Lee Nordlohne | 12 | Daughter | — | North Dakota |
| 33 | Larry Nordlohne | 5 | Son | — | Colorado |
| 34 | John Flynn THIS PERSON | 59 | Head | — | Illinois |
| 35 | Barbara Flynn | 49 | Wife | — | Kentucky |
| 36 | John Flynn | 16 | Son | — | Colorado |
| 37 | George Boland | 28 | Lodger | Bartender | Colorado |
| 38 | Carl Ambrose | 37 | Head | Manager | Massachusetts |
| 39 | Irene Ambrose | 28 | Wife | Manager | Oklahoma |
| 40 | James E. Shelton | 65 | Head | Veterinary | California |
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)