JM
James Mcguire — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Virginia
Our Model Tree links this James Mcguire across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Virginia (XGBoost, ~Confirmed), with identified parents Mary & J — first a head (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Head
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Virginia |
| Surname | McGuire |
| Given Name | James O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Christiansburg District |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Laborer |
| Industry | Road Construction |
| Class of Worker | PW |
| Hours Worked | 65 |
| Income (1939) | 260 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Laborer |
| Township / Ward | Christiansburg District |
| Est. Birth Year | ~1914 |
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 |
|---|---|---|---|---|
| Nora Mcguire | Daughter | — | 3 | ~1937 |
| James Mcguire | Head | — | 26 | ~1914 |
| William Mcguire | Son | — | ~1940 | |
| Gracie Mcguire | Spouse | — | 24 | ~1916 |
Census Appearances
1920
Franklin, Virginia
Son, age 6
Franklin, Virginia · implied b. ~1914 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGuire |
| Given Name | James A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Speaks English | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Franklin, Virginia
Son, age 17
Franklin, Virginia · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGuire |
| Given Name | James A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Laborer |
| Industry | Gen Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Montgomery-County, Virginia
Head, age 26
Montgomery-County, Virginia · implied b. ~1914 — 4 household members
| Surname | McGuire |
| Given Name | James O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Christiansburg District |
| 1935 Residence (County) | Montgomery |
| Occupation | Laborer |
| Industry | Road Construction |
| Class of Worker | PW |
| Hours Worked | 65 |
| Income (1939) | 260 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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. Identified parents: mother Mary Mcguire (~0.92 confidence) and father J Mcguire (~0.92 confidence) and father John Mcguire (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Mcguire
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
J Mcguire
b. ~1879
Source father
● Household
· direct · ~0.92
Father
John Mcguire
b. ~1880
Source father
● Household
· direct · ~0.92
This person
Anchor record
James Mcguire
Head · 1940 · age 26 · b. ~1914 · Virginia
★ 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 — Montgomery-County, Virginia
Open full size
1940 US Federal Census — Montgomery-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04277-00563)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Melvin L. Clayton | 61 | Head | Laborer | Virginia |
| 42 | Josie O. Clayton | 58 | Wife | — | Virginia |
| 43 | William M. James | 65 | Head | — | Virginia |
| 44 | Hettie James | 55 | Wife | — | Virginia |
| 45 | Merle James | 22 | Son | Laborer | Virginia |
| 46 | George James | 1 | Grandson | — | Virginia |
| 47 | Joe Lowery | 29 | Head | Laborer | Virginia |
| 48 | Violet O. Lowery | 25 | Wife | — | Virginia |
| 49 | Hazel Lowery | 9 | Daughter | — | Virginia |
| 50 | Ralph Lowery | 2 | Son | — | Virginia |
| 51 | Lacy R. Mcguire | 49 | Head | Farmer | Virginia |
| 52 | Alice Mcguire | 44 | Wife | — | Virginia |
| 53 | Roy E. Mcguire | 18 | Son | Laborer | Virginia |
| 54 | Elsie L. Mcguire | 16 | Daughter | — | Virginia |
| 55 | Melva Mcguire | 14 | Daughter | — | Virginia |
| 56 | Claudine Mcguire | 12 | Daughter | — | Virginia |
| 57 | Harry T. Mcguire | 7 | Son | — | Virginia |
| 58 | Kyle Mcguire | 5 | Son | — | Virginia |
| 59 | Eldred D. Miles | 72 | Head | — | Virginia |
| 60 | Mattie Miles | 39 | Wife | — | Virginia |
| 61 | John M. Mcguire | 32 | Son-in-law | Farmer | Virginia |
| 62 | Ruth Mcguire | 21 | Daughter | — | Virginia |
| 63 | Virginia Mcguire | 5 | Granddaughter | — | Virginia |
| 64 | Ray E. Mcguire | 3 | Grandson | — | Virginia |
| 65 | Ernest M. Mcguire | 2 | Grandson | — | Virginia |
| 66 | Mahala S. Williams | 67 | Head | — | Virginia |
| 67 | Lew E. D. Williams | 49 | Son | Farmer | Virginia |
| 68 | Henry J. Trump | 26 | Head | Powder-Man | Virginia |
| 69 | Lacy Trump | 30 | Wife | — | Virginia |
| 70 | Rosa Trump | 8 | Daughter | — | Virginia |
| 71 | Edward J. Trump | 6 | Son | — | Virginia |
| 72 | James O. Mcguire THIS PERSON | 26 | Head | Laborer | Virginia |
| 73 | Gracie H. Mcguire | 24 | Wife | — | Virginia |
| 74 | Nora B. Mcguire | 3 | Daughter | — | Virginia |
| 75 | William M. Mcguire | 0 | Son | — | Virginia |
| 76 | John R. Mcguire | 67 | Head | Farmer | Virginia |
| 77 | Ella Mcguire | 43 | Wife | — | Virginia |
| 78 | Douglas L. Mcguire | 22 | Son | Carpenter | Virginia |
| 79 | Robert Mcguire | 18 | Son | Laborer | Virginia |
| 80 | Gilbert Mcguire | 15 | Son | — | Virginia |
Pedigree Summary
James
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)