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John Reilly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this John Reilly across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed), with identified parents Michal & Ada — first a head (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Reilly |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City & County |
| 1935 Residence (County) | Denver City & County |
| Additional Details | |
| Occupation | Electrotyper |
| Industry | Engraving Co |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2500 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Electrotyper |
| Township / Ward | Denver City County |
| Est. Birth Year | ~1904 |
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 |
|---|---|---|---|---|
| Joan Reilly | Daughter | — | 7 | ~1933 |
| John Reilly | Head | — | 36 | ~1904 |
| William Reilly | Son | — | 9 | ~1931 |
| Lillian Reilly | Spouse | — | 36 | ~1904 |
Census Appearances
1920
Denver, Colorado
Son, age 16
Denver, Colorado · implied b. ~1904 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Reilly |
| Given Name | John G |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Colorado |
| Occupation | Electrician |
| Industry | Auto Plumber |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Head, age 26
Denver, Colorado · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Reilly |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 25 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Colorado |
| Occupation | Electro Typer |
| Industry | Engravers Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 70 |
| Radio Set | R |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Head, age 36
Denver-County, Colorado · implied b. ~1904 — 4 household members
| Surname | Reilly |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City & County |
| 1935 Residence (County) | Denver City & County |
| Occupation | Electrotyper |
| Industry | Engraving Co |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2500 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Reilly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Michal Reilly (~0.92 confidence) and mother Ada Reilly (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michal Reilly
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Ada Reilly
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Reilly
Head · 1940 · age 36 · b. ~1904 · Colorado
★ You are viewing this record
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
38 people indexed on this census page (nara:1940:m-t0627-00487-00938)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | E. H. Merritt | 33 | Wife | H | Colorado |
| 42 | Jacqueline Anderson | 13 | Step dau | O | Colorado |
| 44 | George F. Strobekk | 60 | Head | Sanitary Engineer | New York |
| 45 | Louise K. Strobekk | 59 | Wife | H | New York |
| 46 | George D. Strobekk | 21 | Son | Apprentice Plumber | Colorado |
| 47 | John M. Walgren | 50 | Head | Insurance Agent | Missouri |
| 48 | Gertie Walgren | 50 | Wife | H | Missouri |
| 49 | Leonard Walgren | 17 | Son | S | Colorado |
| 50 | Francis H. Dunne | 30 | Head | Salesman | New Mexico |
| 51 | Helen L. Dunne | 28 | Wife | H | Wyoming |
| 52 | Thomas M. Dunne | 5 | Son | — | Colorado |
| 53 | Ernest E. Smith | 29 | Head | Fireman | Colorado |
| 54 | Helen E. Smith | 27 | Wife | H | Colorado |
| 55 | Ernest E. Jr. Smith | 3 | Son | — | Colorado |
| 56 | Clementine C. White | 63 | Mother-in-law | Ot | Canada-French |
| 57 | John Reilly THIS PERSON | 36 | Head | Electrotyper | Colorado |
| 58 | Lillian Reilly | 36 | Wife | H | Illinois |
| 59 | William Reilly | 9 | Son | — | Colorado |
| 60 | Joan E. Reilly | 7 | Daughter | — | Colorado |
| 61 | Henry Siems | 29 | Head | Salesman | Colorado |
| 62 | Fern Siems | 24 | Wife | H | Colorado |
| 63 | Carol Ann Siems | 3 | Daughter | — | Colorado |
| 64 | Harper F. Lomb | 33 | Head | Salesman | Kansas |
| 65 | Lydia H. Lomb | 28 | Wife | H | So Dakota |
| 66 | Rhea Mayne | 44 | Head | H | Holland |
| 67 | Paul Gundy | 24 | Son-in-law | Advertising Sales Manager | Colorado |
| 68 | Mignon M. Gundy | 24 | Daughter | Ot | Minnesota |
| 69 | George Mcmahon | 58 | Head | U | Minnesota |
| 70 | Catharine Mcmahon | 67 | Wife | H | Iowa |
| 71 | Emily J. Mcmahon | 12 | Daughter | O | Colorado |
| 72 | Chester Stroud | 27 | Head | Salesman | Wisconsin |
| 73 | Ruth Stroud | 23 | Wife | H | Colorado |
| 74 | Carol R. Stroud | 3 | Daughter | — | Colorado |
| 75 | Robert Lorimer | 24 | Head | Office Clerk | Nebraska |
| 76 | Norma Lorimer | 20 | Wife | H | Colorado |
| 77 | Hugo S. Volkenant | 44 | Head | Office Girl | Minnesota |
| 78 | Rose M. Volkenant | 29 | Wife | H | Minnesota |
| 79 | John J. Volkenant | 11 | Son | O | Minnesota |
Pedigree Summary
John
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)