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John Reilly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this John Reilly across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Reilly |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | Accountant |
| Industry | own account |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 210 |
| Highest Grade | No C-3 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Accountant |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1910 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Helen Reilly | Daughter | — | ~1940 | |
| Katherine Reilly | Daughter | — | 4 | ~1936 |
| John Reilly | Head | — | 30 | ~1910 |
| John Reilly | Son | — | 3 | ~1937 |
| Julia Reilly | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Wayne, Michigan
Son, age 9
Wayne, Michigan · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Reilly |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Son, age 20
Wayne, Michigan · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Reilly |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Head, age 30
Wayne-County, Michigan · implied b. ~1910 — 5 household members
| Surname | Reilly |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Occupation | Accountant |
| Industry | own account |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 210 |
| Highest Grade | No C-3 |
| 1935 Residence | Same place |
| 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 John Reilly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Reilly (~0.92 confidence) and father John Reilly (~0.92 confidence) and mother Katherine Reilly (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Reilly
b. ~1881
Source father
● Household
· direct · ~0.92
Father
John Reilly
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Katherine Reilly
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Reilly
Head · 1940 · age 30 · b. ~1910 · Michigan
★ 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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01851-00044)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leo Cravens | 41 | Lodger | Laborer | Michigan |
| 2 | Hubert Hatfield | 46 | Lodger | Drill Press | Alabama |
| 3 | Harry Morris | 37 | Lodger | Driver | Michigan |
| 4 | Emerson Jones | 35 | Head | Truck Driver | Pennsylvania |
| 5 | Stella Jones | 30 | Wife | — | Michigan |
| 6 | Emerson Jones | 13 | Son | — | Michigan |
| 7 | Ellen Jones | 12 | Daughter | — | Michigan |
| 8 | Pearl Jones | 8 | Daughter | — | Michigan |
| 9 | Max Miller | 45 | Head | Reamer | Michigan |
| 10 | Mary Miller | 38 | Wife | — | Michigan |
| 11 | Anne Miller | 15 | Daughter | — | Michigan |
| 12 | Mary Miller | 12 | Daughter | — | Michigan |
| 13 | Virginia Miller | 11 | Daughter | — | Michigan |
| 14 | Max Miller | 9 | Son | — | Michigan |
| 15 | Francis Miller | 4 | Son | — | Michigan |
| 16 | Richard Miller | 3 | Son | — | Michigan |
| 17 | James Miller | 1 | Son | — | Michigan |
| 18 | Harry Miller | 1 | Son | — | Michigan |
| 19 | Ends Here | None | BLOCK | — | — |
| 20 | John Reilly THIS PERSON | 30 | Head | Accountant | Michigan |
| 21 | Julia Reilly | 25 | Wife | — | New York |
| 22 | Katherine Reilly | 4 | Daughter | — | Michigan |
| 23 | John Reilly | 3 | Son | — | Michigan |
| 24 | Helen Reilly | 0 | Daughter | — | Michigan |
| 25 | Chester Lane | 38 | Head | Spray Painter | Pennsylvania |
| 26 | Ladema Lane | 48 | Wife | — | Pennsylvania |
| 27 | George Desert | 62 | Head | Cost Clerk | Massachusetts |
| 28 | Sallie Desert | 60 | Wife | — | Massachusetts |
| 29 | Richard Stevenson | 50 | Head | Carpenter | England |
| 30 | Daisy Stevenson | 42 | Wife | Waitress | England |
| 31 | James Stevenson | 20 | Son | Laborer | England |
| 32 | Grace Dorra | 68 | Head | Folder | New York |
| 33 | Adeline Rich | 40 | Daughter | — | Michigan |
| 34 | Mildred La Treille | 36 | Daughter | Mangler | Michigan |
| 35 | Peter Marsh | 42 | Head | Machinist | England |
| 36 | Agnes Marsh | 52 | Wife | — | England |
| 37 | Edwin Marsh | 23 | Son | Drill Press | England |
| 38 | William Casey | 50 | Head | Mail Carrier | New York |
| 39 | Joe Casey | 24 | Son | Salesman | Michigan |
| 40 | William Casey | 21 | Son | Sorting & Packing | Michigan |
Pedigree Summary
John
Gen 1 · 3 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)