JM
James Mcguire — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this James Mcguire across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed), with identified parents Hugh & Joseph — first a head (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | McGuire |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton (City) |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | attendant |
| Industry | Gas Station |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1144 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Attendant |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1917 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Karen Mcguire | Daughter | — | 1 | ~1939 |
| James Mcguire | Head | — | 23 | ~1917 |
| Catherine Mcguire | Spouse | — | 20 | ~1920 |
Census Appearances
1920
Mercer, New …
Son, age 3
Mercer, New Jersey · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGuire |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Scotland |
| Mother's Birthplace | New Jersey |
| Mother Tongue | English |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Son, age 13
Mercer, New Jersey · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGuire |
| Given Name | James H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Scotland |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Head, age 23
Mercer-County, New Jersey · implied b. ~1917 — 3 household members
| Surname | McGuire |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton (City) |
| 1935 Residence (County) | Mercer |
| Occupation | attendant |
| Industry | Gas Station |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1144 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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: father Hugh Mcguire (~0.92 confidence) and father Joseph Mcguire (~0.92 confidence) and mother Nellie Mcguire (~0.92 confidence) and mother Tracy Mcguire (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Hugh Mcguire
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Joseph Mcguire
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Nellie Mcguire
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Tracy Mcguire
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Mcguire
Head · 1940 · age 23 · b. ~1917 · New Jersey
★ 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 — Mercer-County, New Jersey
Open full size
1940 US Federal Census — Mercer-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02436-00875)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clara M. Rafferty | 50 | Head | — | New Jersey |
| 42 | Barbara Rafferty | 25 | Daughter | — | New Jersey |
| 43 | Shirley M. Rafferty | 23 | Daughter | — | New Jersey |
| 44 | Millard H. Dillon | 12 | Nephew | — | Pennsylvania |
| 45 | Michael Kubecka | 37 | Head | Grocery Clerk | New York |
| 46 | Helen E. Kubecka | 29 | Wife | Foreman | New Jersey |
| 47 | James Kubecka | 10 | Son | — | New Jersey |
| 48 | Thomas Kubecka | 6 | Son | — | New Jersey |
| 49 | Marion Kubecka | 3 | Daughter | — | New Jersey |
| 50 | Charles H. Carr | 47 | Head | Truck Driver | New Jersey |
| 51 | Ella Carr | 40 | Wife | — | New Jersey |
| 52 | Charles Jr. Carr | 3 | Son | — | New Jersey |
| 53 | Edward Alderson | 70 | Head | — | England |
| 54 | James Mcguire THIS PERSON | 23 | Head | Attendant | New Jersey |
| 55 | Catherine Mcguire | 20 | Wife | — | New Jersey |
| 56 | Karen P. Mcguire | 1 | Daughter | — | New Jersey |
| 57 | James Sapai | 30 | Head | Packer | Italy |
| 58 | Ethel Sapai | 25 | Wife | Packer | New Jersey |
| 59 | James Jr. Sapai | 9 | Son | — | New Jersey |
| 60 | Irving S. Boas | 22 | Head | Time-Keeper | New Jersey |
| 61 | Laynielle Boas | 18 | Wife | — | Pennsylvania |
| 62 | Franklin Burton | 47 | Head | Fireman | Pennsylvania |
| 63 | Mary Burton | 50 | Wife | — | New York |
| 64 | Franklin Jr. Burton | 22 | Son | Inspector | New Jersey |
| 65 | Margaret Burton | 18 | Daughter | Cashier | New Jersey |
| 66 | William Burton | 14 | Son | — | New Jersey |
| 67 | Benjamin Burton | 77 | Father | — | Pennsylvania |
| 68 | Joseph Knapp | 51 | Head | Laborer | Pennsylvania |
| 69 | Lola Knapp | 48 | Wife | — | Pennsylvania |
| 70 | Joseph Knapp | 24 | Son | Sheet Metal Worker | Pennsylvania |
| 71 | Walter Knapp | 16 | Son | Errand Boy | New Jersey |
| 72 | George Knapp | 13 | Son | — | New Jersey |
| 73 | Frank Knapp | 10 | Son | — | New Jersey |
| 74 | Leonard Knapp | 2 | Son | — | New Jersey |
| 75 | Emil Kelly | 31 | Head | Stock Clerk | New Jersey |
| 76 | Elizabeth Kelly | 27 | Wife | — | New Jersey |
| 77 | Emil Kelly | 9 | Son | — | New Jersey |
| 78 | Betty Ann Kelly | 1 | Daughter | — | New Jersey |
| 79 | Harry Mock | 56 | Head | Paint Mixer | Pennsylvania |
| 80 | Bessy Mock | 51 | Wife | — | Pennsylvania |
Pedigree Summary
James
Gen 1 · 4 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)