WM
William Mcbride — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this William Mcbride across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed), with identified parents Theodore & Theodore — first a son (b.~1918), then head of a 10-person household.
Age 22
b. ~1918
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | McBride |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Hours Worked | 12 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1918 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Mcbride | Son | — | 22 | ~1918 |
| Leon Mcbride | Son | — | 4 | ~1936 |
| Theodore Mcbride | Head | — | 40 | ~1900 |
| Katherine Mcbride | Daughter | — | 18 | ~1922 |
| Edith Mcbride | Other | — | 20 | ~1920 |
| Patrick Cromwell | Other | — | 60 | ~1880 |
| Leon Mcbride | Son | — | 24 | ~1916 |
| Katherine Cromwell | Other | — | 73 | ~1867 |
| John Cromwell | Other | — | 73 | ~1867 |
| Helen Mcbride | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Mercer, New …
Other, age 2
Mercer, New Jersey · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McBride |
| Given Name | William |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Son, age 12
Mercer, New Jersey · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McBride |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Son, age 22
Mercer-County, New Jersey · implied b. ~1918 — 10 household members
| Surname | McBride |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Hours Worked | 12 |
| Highest Grade | No 8 |
| 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 William Mcbride across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Theodore Mcbride (~0.92 confidence) and father Theodore Mcbride (~0.92 confidence) and mother Helen Mcbride (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Theodore Mcbride
b. ~1900
Source father
● Household
· direct · ~0.92
Father
Theodore Mcbride
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Helen Mcbride
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Mcbride
Son · 1940 · age 22 · b. ~1918 · New Jersey
★ You are viewing this record
Sibling
Katherine Mcbride
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leon Mcbride
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leon Mcbride
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
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
38 people indexed on this census page (nara:1940:m-t0627-02356-00455)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Walter South | 59 | Head | Truck Driver | New Jersey |
| 2 | Laura South | 56 | Wife | — | New Jersey |
| 3 | Russel South | 22 | Son | — | New Jersey |
| 4 | Nellie South | 22 | Daughter | Seamstress | New Jersey |
| 5 | Doris South | 13 | Daughter | — | New Jersey |
| 6 | Alice Markley | 19 | Daughter | Candy Maker | New Jersey |
| 7 | Betty South | 5 | Granddaughter | — | New Jersey |
| 8 | Joyce South | 1 | Granddaughter | — | New Jersey |
| 10 | Raymond Le Fever | 38 | Head | Truck Driver | New Jersey |
| 11 | Loretta Le Fever | 36 | Wife | — | New Jersey |
| 12 | Dorothy Le Fever | 14 | Daughter | — | New Jersey |
| 13 | Joseph O'Haire | 67 | Father-in-law | — | New Jersey |
| 14 | Elizabeth O'Haire | 65 | Mother-in-law | — | Pennsylvania |
| 15 | Harry O'Haire | 27 | Brother-in-law | Truck Driver | New Jersey |
| 16 | Theodore Mcbride | 40 | Head | — | New Jersey |
| 17 | Helen Mcbride | 43 | Wife | — | New Jersey |
| 18 | William Mcbride THIS PERSON | 22 | Son | — | New Jersey |
| 19 | Katherine Mcbride | 18 | Daughter | Stock Girl | New Jersey |
| 20 | Leon Mcbride | 24 | Son | Tester | New Jersey |
| 21 | Edith Mcbride | 20 | Daughter-in-law | — | New Jersey |
| 22 | Leon Jr. Mcbride | 4 | Son | — | New Jersey |
| 23 | John Cromwell | 73 | Father-in-law | — | New Jersey |
| 24 | Katherine Cromwell | 73 | Mother-in-law | Cook | New Jersey |
| 25 | Patrick Cromwell | 60 | Brother-in-law | Labor | New Jersey |
| 27 | Maurice Van Pelt | 30 | Head | Bus Driver | New Jersey |
| 28 | May Van Pelt | 27 | Wife | — | New Jersey |
| 29 | Shirley Van Pelt | 10 | Daughter | — | New Jersey |
| 30 | Gerald Van Pelt | 6 | Son | — | New Jersey |
| 31 | Norman Van Pelt | 5 | Son | — | New Jersey |
| 32 | Arline Van Pelt | 3 | Daughter | — | New Jersey |
| 33 | William Hooper | 44 | Head | Foreman | New Jersey |
| 34 | Mary Hooper | 33 | Wife | — | New Jersey |
| 35 | Elizabeth Hooper | 19 | Daughter | — | New Jersey |
| 36 | Alice Polononi | 13 | Stepdaughter | — | New Jersey |
| 37 | Charles Schenck | 30 | Head | Labor | New Jersey |
| 38 | Ada Schenck | 28 | Wife | — | New Jersey |
| 39 | Richard Schenck | 9 | Son | — | New Jersey |
| 40 | Lester Schenck | 6 | Son | — | New Jersey |
Pedigree Summary
William + 3 siblings
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)