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John Butler — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this John Butler across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1894), then head of a 7-person household.
Age 46
b. ~1894
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Butler |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Grinder |
| Industry | automobile Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 440 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Grinder |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1894 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Katherine Butler | Daughter | — | 7 | ~1933 |
| Rosemary Butler | Daughter | — | ~1940 | |
| John Butler | Head | — | 46 | ~1894 |
| William Riordan | Other | — | 70 | ~1870 |
| Wallace Butler | Son | — | 15 | ~1925 |
| William Butler | Son | — | 11 | ~1929 |
| Anna Butler | Spouse | — | 39 | ~1901 |
Census Appearances
1920
Wayne, Michigan
Other, age 27
Wayne, Michigan · implied b. ~1893 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Butler |
| Given Name | John |
| Relationship to Head | Roomer |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Ireland |
| Year of Immigration | 1911 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Stock Room |
| Industry | Auto Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Year of Naturalization | 1917 |
| Birthplace (normalized) | ireland |
1930
Wayne, Michigan
Head, age 38
Wayne, Michigan · implied b. ~1892 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Butler |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Age at First Marriage | 31 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Foreman |
| Industry | Automobile Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 45.00 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Wayne-County, Michigan
Head, age 46
Wayne-County, Michigan · implied b. ~1894 — 7 household members
| Surname | Butler |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Naturalized |
| Occupation | Grinder |
| Industry | automobile Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 440 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Butler across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Butler
Head · 1940 · age 46 · b. ~1894 · Michigan
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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 — 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-t0627-01870-00416)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Trouillard | 14 | son | — | Michigan |
| 2 | Gerald Trouillard | 11 | son | — | Michigan |
| 3 | Kenneth Trouillard | 9 | son | — | Michigan |
| 4 | Shirley Trouillard | 8 | daughter | — | Michigan |
| 5 | Bert Walsh | 65 | Head | Tool & Die Maker | England |
| 6 | William Walsh | 50 | brother | — | Michigan |
| 7 | Clarice Ager | 19 | niece | Housekeeper | Michigan |
| 8 | Wilfred Lambert | 33 | Head | Water Meter Reader | Michigan |
| 9 | Ruth Lambert | 28 | wife | — | Michigan |
| 10 | Francis Lambert | 7 | son | — | Michigan |
| 11 | Celine Lambert | 5 | daughter | — | Michigan |
| 12 | Holland Saunders | 30 | Head | Accountant | New York |
| 13 | Elsie Saunders | 50 | wife | Accountant | New York |
| 14 | Jean Christie | 49 | Head | Saleslady | Scotland |
| 15 | Robert Christie | 21 | son | Office Clerk | Michigan |
| 16 | Perry J. Clothier | 55 | Lodger | Machine Repair | Michigan |
| 17 | Mabel S. Clothier | 50 | Lodger | — | Missouri |
| 18 | Matt Emigh | 36 | Head | Shipping Clerk | Michigan |
| 19 | Louise Emigh | 37 | wife | — | Michigan |
| 20 | Gerald Emigh | 11 | son | — | Michigan |
| 21 | Doris Emigh | 5 | daughter | — | Michigan |
| 22 | Connie Emigh | 0 | daughter | — | Michigan |
| 23 | Mihran Mirzeian | 46 | Head | Hotel Manager | Armenia |
| 24 | Gwyneth Mirzeian | 37 | wife | — | Michigan |
| 25 | Donald Mirzeian | 17 | son | Salesman | Michigan |
| 26 | Richard Mirzeian | 16 | son | News Boy | Michigan |
| 27 | Arthur Mirzeian | 14 | son | News Boy | Michigan |
| 28 | Reuben Ecker | 45 | Head | Decorator | New York |
| 29 | Rose Ecker | 40 | wife | — | New York |
| 30 | John Lesniak | 41 | Head | Decorator | Poland |
| 31 | Grace Lesniak | 40 | wife | — | Michigan |
| 32 | Elaine Lesniak | 7 | daughter | — | Michigan |
| 33 | John Butler THIS PERSON | 46 | Head | Grinder | Ireland |
| 34 | Anna Butler | 39 | wife | — | Canada |
| 35 | Wallace Butler | 15 | son | Paper Boy | Michigan |
| 36 | William Butler | 11 | son | — | Michigan |
| 37 | Katherine Butler | 7 | daughter | — | Michigan |
| 38 | Rosemary Butler | 0 | daughter | — | Michigan |
| 39 | William John Riordan | 70 | Father in law | Proprietor | Canada |
| 40 | Walter Fry | 42 | Head | Real Estate Salesman | Pennsylvania |
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)