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James Mcguire — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Warren-County, Iowa
Our Model Tree links this James Mcguire across the 1920, 1930 and 1940 US Censuses in Warren-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 7-person household.
Age 54
b. ~1886
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Warren-County, Iowa |
| Surname | McGuire |
| Given Name | James D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Warren |
| Additional Details | |
| Occupation | Proprietor |
| Industry | Service Station |
| Class of Worker | OA |
| Hours Worked | 60 |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Proprietor |
| Township / Ward | Norwalk Town |
| Est. Birth Year | ~1886 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Helen Mcguire | Daughter | — | 16 | ~1924 |
| Laverla Mcguire | Daughter | — | 15 | ~1925 |
| Pauline Mcguire | Daughter | — | 20 | ~1920 |
| James Mcguire | Head | — | 54 | ~1886 |
| Herbert Mcguire | Son | — | 18 | ~1922 |
| Merrill Mcguire | Son | — | 13 | ~1927 |
| Myrtle Mcguire | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Warren, Iowa
Head, age 35
Warren, Iowa · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGuire |
| Given Name | James D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Warren, Iowa
Head, age 47
Warren, Iowa · implied b. ~1883 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGuire |
| Given Name | James D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 29 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Warren-County, Iowa
Head, age 54
Warren-County, Iowa · implied b. ~1886 — 7 household members
| Surname | McGuire |
| Given Name | James D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Warren |
| Occupation | Proprietor |
| Industry | Service Station |
| Class of Worker | OA |
| Hours Worked | 60 |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Mcguire across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mcguire
Head · 1940 · age 54 · b. ~1886 · Iowa
★ 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 — Warren-County, Iowa
Open full size
1940 US Federal Census — Warren-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01210-00087)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | June E Cue | 15 | Granddaughter | — | Iowa |
| 2 | Charles E White | 66 | Head | Laborer | Iowa |
| 3 | Corrie White | 60 | Sister | — | Iowa |
| 4 | Margaret Dixon | 83 | Mother-in-law | — | Iowa |
| 5 | Charles W Robinson | 69 | Head | — | Pennsylvania |
| 6 | Grace Robinson | 65 | Sister | — | Pennsylvania |
| 7 | H G Wykoff | 83 | Head | — | Indiana |
| 8 | Anna E Wykoff | 79 | Sister | — | Indiana |
| 9 | Lula Beerbower | 68 | Head | — | Iowa |
| 10 | Anna E Beerbower | 91 | Mother | — | Indiana |
| 11 | Charles B Brown | 48 | Head | — | Iowa |
| 12 | James R Brown | 45 | Brother | Laborer | Iowa |
| 13 | Ellen Brown | 74 | Mother | — | Iowa |
| 14 | Esther M Wagner | 70 | Boarder | — | Iowa |
| 15 | James D Mcguire THIS PERSON | 54 | Head | Proprietor | Iowa |
| 16 | Myrtle C Mcguire | 48 | Wife | Proprietor | Iowa |
| 17 | Pauline L Mcguire | 20 | Daughter | — | Iowa |
| 18 | Herbert L Mcguire | 18 | Son | Attendant | Iowa |
| 19 | Helen L Mcguire | 16 | Daughter | — | Iowa |
| 20 | Laverla Mcguire | 15 | Daughter | — | Iowa |
| 21 | Merrill F Mcguire | 13 | Son | — | Iowa |
| 22 | Frank Thomas | 35 | Head | Proprietor | Iowa |
| 23 | Mildred Thomas | 26 | Wife | — | Iowa |
| 24 | Harold Thomas | 13 | Son | — | Iowa |
| 25 | Austin Chiles | 20 | Head | Laborer | Iowa |
| 26 | George W Johnson | 52 | Head | Laborer | Illinois |
| 27 | Katie Johnson | 52 | Wife | — | Iowa |
| 28 | Leroy G Johnson | 20 | Son | — | Nebraska |
| 29 | Frank W Johnson | 19 | Son | — | Nebraska |
| 30 | Butris R Johnson | 16 | Son | — | Iowa |
| 31 | James A Wright | 65 | Head | Proprietor | Iowa |
| 32 | Margie D Wright | 62 | Wife | — | Iowa |
| 33 | George B Wright | 86 | Father | — | Wisconsin |
| 34 | John D Wright | 15 | Son | — | Iowa |
| 35 | Hebron Tilton | 48 | Head | — | Iowa |
| 36 | Hazel Tilton | 46 | Wife | — | Iowa |
| 37 | Hadron L Tilton | 21 | Son | Laborer | Iowa |
| 38 | Clara L Tilton | 19 | Daughter | Housekeeper | Iowa |
| 39 | Wayne E Tilton | 17 | Son | Farm Laborer | Iowa |
| 40 | Donald E Tilton | 14 | Son | — | Iowa |
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)