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John Mcclain — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cumberland-County, New Jersey
Our Model Tree links this John Mcclain across the 1920, 1930 and 1940 US Censuses in Cumberland-County, New Jersey (XGBoost, ~Confirmed), with identified parents David & David — first a son (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cumberland-County, New Jersey |
| Surname | McClain |
| Given Name | John L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Leesburg |
| 1935 Residence (County) | Cumberland |
| Additional Details | |
| Occupation | Pile Driver |
| Industry | Ship Yard |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 764 |
| Highest Grade | Hs 8 |
| 1935 Residence | Same house |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Pile Driver |
| Township / Ward | Leesburg |
| Est. Birth Year | ~1910 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Mcclain | Son | — | 30 | ~1910 |
| David Mcclain | Head | — | 78 | ~1862 |
| Mary Mcclain | Spouse | — | 70 | ~1870 |
Census Appearances
1920
Cumberland, New …
Son, age 10
Cumberland, New Jersey · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McClain |
| Given Name | John L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Cumberland, New …
Son, age 20
Cumberland, New Jersey · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McClain |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Labor |
| Industry | Shipyard |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Cumberland-County, New …
Son, age 30
Cumberland-County, New Jersey · implied b. ~1910 — 3 household members
| Surname | McClain |
| Given Name | John L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Leesburg |
| 1935 Residence (County) | Cumberland |
| Occupation | Pile Driver |
| Industry | Ship Yard |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 764 |
| Highest Grade | Hs 8 |
| 1935 Residence | Same house |
| 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 John Mcclain across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father David Mcclain (~0.92 confidence) and father David Mcclain (~0.92 confidence) and mother Mary Mcclain (~0.92 confidence) and mother May Mcclain (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
David Mcclain
b. ~1862
Source father
● Household
· direct · ~0.92
Father
David Mcclain
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Mary Mcclain
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
May Mcclain
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mcclain
Son · 1940 · age 30 · b. ~1910 · 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 — Cumberland-County, New Jersey
Open full size
1940 US Federal Census — Cumberland-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02326-00617)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George Ross | 72 | Head | — | Pennsylvania |
| 42 | Mary K Ross | 70 | Wife | — | Pennsylvania |
| 43 | Lester Ross | 42 | Son | Farmer | New Jersey |
| 44 | John Riebe | 42 | Head | Laborer | New York |
| 45 | Madelaine Riebe | 40 | Wife | — | New York |
| 46 | Morris Riebe | 16 | Son | New Worker | New York |
| 47 | Mary Riebe | 13 | Daughter | — | New York |
| 48 | Alfred Riebe | 11 | Son | — | New York |
| 49 | John Jr Riebe | 2 | Son | — | New York |
| 50 | Raymond Petterson | 28 | Head | Mechanic Auto | New Jersey |
| 51 | Blanche Petterson | 24 | Wife | — | New Jersey |
| 52 | Edna M Petterson | 3 | Daughter | — | New Jersey |
| 53 | Raymond Jr Petterson | 2 | Son | — | New Jersey |
| 54 | Blanche Petterson | 0 | Daughter | — | New Jersey |
| 55 | Alfred Sharp | 45 | Head | Farmer | New Jersey |
| 56 | Ruth Sharp | 42 | Wife | Star Mail Route Carrier | New Jersey |
| 57 | Howard Mcdaniels | 64 | Head | Waterman | New Jersey |
| 58 | Mary Mcdaniels | 64 | Wife | — | New Jersey |
| 59 | Petticord Van Arsdalen | 45 | Head | — | New Jersey |
| 60 | Rebecca Van Arsdalen | 21 | Daughter | Machine Operator | New Jersey |
| 61 | Mary Van Arsdalen | 18 | Daughter | New Worker | New Jersey |
| 62 | Hazel Van Arsdalen | 17 | Daughter | New Worker | New Jersey |
| 63 | Paul Van Arsdalen | 14 | Son | — | New Jersey |
| 64 | William Van Arsdalen | 11 | Son | — | New Jersey |
| 65 | Dolores Van Arsdalen | 10 | Daughter | — | New Jersey |
| 66 | Arthur Van Arsdalen | 8 | Son | — | New Jersey |
| 67 | Irene Smith | 49 | Head | — | New Jersey |
| 68 | — | None | — | — | — |
| 69 | Raymond Breme | 42 | Head | Guard | New York |
| 70 | Margaret Breme | 36 | Wife | — | Pennsylvania |
| 71 | Paul Breme | 16 | Son | — | Pennsylvania |
| 72 | David Mcclain | 78 | Head | Janitor | New Jersey |
| 73 | Mary Mcclain | 70 | Wife | — | New Jersey |
| 74 | John L Mcclain THIS PERSON | 30 | Son | Pile Driver | New Jersey |
| 75 | Zadok Sharp | 85 | Head | — | New Jersey |
| 76 | Kate E Sharp | 81 | Wife | — | Pennsylvania |
| 77 | William Lemunyon | 69 | Head | Carpenter | New Jersey |
| 78 | Alda M Lemunyon | 39 | Daughter | — | New Jersey |
| 79 | Irene Hoffman | 70 | Head | — | New Jersey |
| 80 | George Hand | 60 | Head | Deck Hand | New Jersey |
Pedigree Summary
John
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)