JM
James Mcgrath — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this James Mcgrath across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 4-person household.
Age 56
b. ~1884
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | McGrath |
| Given Name | James A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Asst. Office Supt. |
| Industry | U.S. Mail |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2500 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Asst. Office Supt. |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1884 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Elmore Mcgrath | Daughter | — | 26 | ~1914 |
| Virginia Mcgrath | Daughter | — | 22 | ~1918 |
| James Mcgrath | Head | — | 56 | ~1884 |
| Rose Mcgrath | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Wayne, Michigan
Head, age 36
Wayne, Michigan · implied b. ~1884 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGrath |
| Given Name | James A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1891 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Home Owned/Rented | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Wayne, Michigan
Head, age 47
Wayne, Michigan · implied b. ~1883 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGrath |
| Given Name | James, A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1890 |
| Age at First Marriage | 22 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Ireland |
| Occupation | Supervisor |
| Industry | Post Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 7000 |
| Radio Set | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Wayne-County, Michigan
Head, age 56
Wayne-County, Michigan · implied b. ~1884 — 4 household members
| Surname | McGrath |
| Given Name | James A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Naturalized |
| Occupation | Asst. Office Supt. |
| Industry | U.S. Mail |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2500 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 James Mcgrath across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Mcgrath
Head · 1940 · age 56 · b. ~1884 · 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-t0627-01882-00804)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Klaus | 18 | Brother-in-law | Bookkeeper | Michigan |
| 42 | James A. Mcgrath THIS PERSON | 56 | Head | Asst. Office Supt. | Scotland |
| 43 | Rose F. Mcgrath | 53 | Wife | — | Michigan |
| 44 | Elmore Mcgrath | 26 | Daughter | — | Michigan |
| 45 | Virginia Mcgrath | 22 | Daughter | Hairdresser | Michigan |
| 46 | Gail Perowski | 32 | Head | Parts Checker | Michigan |
| 47 | Loretta Perowski | 31 | Wife | — | Pennsylvania |
| 48 | Lois Perowski | 8 | Daughter | — | Michigan |
| 49 | Raymond J. Cleary | 40 | Head | Milkman | Michigan |
| 50 | Lydia Cleary | 28 | Wife | — | Michigan |
| 51 | Gerald Cleary | 4 | Son | — | Michigan |
| 52 | Blaine Cleary | 2 | Daughter | — | Michigan |
| 53 | Ralph Cleary | 0 | Son | — | Michigan |
| 54 | Joseph T. Paquin | 54 | Head | W.P.A. Grader | Michigan |
| 55 | Edna L. Paquin | 42 | Wife | — | Kansas |
| 56 | John A. Paquin | 18 | Son | New Worker | Michigan |
| 57 | Joseph Jr. Paquin | 15 | Son | — | Michigan |
| 58 | Eugene Paquin | 10 | Son | — | Michigan |
| 59 | Pasquale Gervasi | 52 | Head | Welder | Italy |
| 60 | Josephine Gervasi | 44 | Wife | — | Italy |
| 61 | Rose Gervasi | 27 | Daughter | Assembler | Italy |
| 62 | Joe Gervasi | 25 | Son | Assembler | Italy |
| 63 | Corena Gervasi | 11 | Daughter | — | Michigan |
| 64 | Attilio F. Gervasi | 10 | Son | — | Michigan |
| 65 | Joe Guglielmo | 23 | Lodger | Glass Polisher | Michigan |
| 66 | Forrest W. Barkman | 53 | Head | Auto Body Foreman | Nebraska |
| 67 | Gertrude Barkman | 50 | Wife | — | Michigan |
| 68 | Donald Barkman | 14 | Son | — | Michigan |
| 69 | Edward Buelens | 13 | Lodger | — | Michigan |
| 70 | Shirley Buelens | 11 | Lodger | — | Michigan |
| 71 | Elvira Wendela | 49 | Head | — | Finland |
| 72 | Esther Wendela | 29 | Daughter | School Teacher | Michigan |
| 73 | Hugo Wendela | 27 | Son | Auto Body | New York |
| 74 | Bertha Wendela | 21 | Daughter | Stenographer | Michigan |
| 75 | Matilda Rittaniemi | 75 | Mother | — | Finland |
| 76 | Anna Meiers | 56 | Head | — | Germany |
| 77 | William Meiers | 37 | Son | Printer | Michigan |
| 78 | Elmer Meiers | 26 | Son | Inventory Clerk | Michigan |
| 79 | Edna Daigle | 32 | Daughter | Assembler | Michigan |
| 80 | Jean Daigle | 10 | Granddaughter | — | Michigan |
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)