RS
Ronald Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, New Jersey
Our Model Tree links this Ronald Smith across the 1930 and 1940 US Censuses in Union-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, New Jersey |
| Surname | Smith |
| Given Name | Ronald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Elizabeth |
| 1935 Residence (County) | Union |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Elizabeth |
| Est. Birth Year | ~1927 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ronald | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Smith | Daughter | — | 10 | ~1930 |
| Ann Smith | Daughter | — | 15 | ~1925 |
| Lois Smith | Daughter | — | 9 | ~1931 |
| Sheila Smith | Daughter | — | 6 | ~1934 |
| Marguerite Smith | Spouse | — | 42 | ~1898 |
| Ronald Smith | Son | — | 13 | ~1927 |
| James Moran | Other | — | 73 | ~1867 |
| Ronald Smith | Head | — | 46 | ~1894 |
Census Appearances
1930
Union, New …
Son, age 3
Union, New Jersey · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ronald Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| 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 |
1940
Union-County, New …
Son, age 13
Union-County, New Jersey · implied b. ~1927 — 8 household members
| Surname | Smith |
| Given Name | Ronald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Elizabeth |
| 1935 Residence (County) | Union |
| Highest Grade | 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 Ronald Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ronald Smith
Son · 1940 · age 13 · b. ~1927 · New Jersey
★ You are viewing this record
Sibling
Elizabeth Smith
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Smith
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Smith
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sheila Smith
Sibling · 1940 · age 6
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 — Union-County, New Jersey
Open full size
1940 US Federal Census — Union-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02398-00420)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John R. Blackman | 50 | Lodger | Foreman | Ohio |
| 2 | William C. Ross | 39 | Lodger | Salesman | New Jersey |
| 3 | Victor S. Smith | 42 | Head | Deputy Clerk | New Jersey |
| 4 | Edith Smith | 43 | Wife | — | New Jersey |
| 5 | Edith Smith | 15 | Daughter | — | New Jersey |
| 6 | Barbara Smith | 13 | Daughter | — | New Jersey |
| 7 | John B. Endres | 70 | Head | Mattress Maker | Germany |
| 8 | Antoinette Endres | 74 | Wife | — | New York |
| 9 | Florence Endres | 29 | Daughter | — | New York |
| 10 | Albert R. Postlethwait | 31 | Head | Chief Clerk | New York |
| 11 | Kathleen Postlethwait | 31 | Wife | — | New Jersey |
| 12 | Thomas Hennessy | 31 | Head | Trimmer | New York |
| 13 | Helen Hennessy | 33 | Wife | Nurse | New Jersey |
| 14 | Thos. E. Walsh | 43 | Head | Assist. Postmaster | New Jersey |
| 15 | Mary V. Walsh | 39 | Wife | — | New Jersey |
| 16 | Mary E. Mahony | 78 | Head | — | Ireland |
| 17 | Ronald Smith | 46 | Head | Tel. Operator | New York |
| 18 | Marguerite Smith | 42 | Wife | — | New Jersey |
| 19 | Ann Maureen Smith | 15 | Daughter | — | New York |
| 20 | Ronald Smith THIS PERSON | 13 | Son | — | New Jersey |
| 21 | Elizabeth Smith | 10 | Daughter | — | New York |
| 22 | Lois Smith | 9 | Daughter | — | New Jersey |
| 23 | Sheila Smith | 6 | Daughter | — | New Jersey |
| 24 | James Moran | 73 | Uncle | — | Ireland |
| 25 | Leonard P. Daubner | 80 | Head | — | New Jersey |
| 26 | Emma Daubner | 70 | Wife | — | Ohio |
| 27 | Clarence H. Daubner | 45 | Son | Assist. Mgr. | New Jersey |
| 28 | Helen S. Daubner | 46 | Daughter-in-law | Teacher | New York |
| 29 | Helen R. Daubner | 18 | Granddaughter | — | New Jersey |
| 30 | James L. Daubner | 16 | Grandson | — | New Jersey |
| 31 | Thomas A. Daubner | 14 | Grandson | — | New Jersey |
| 32 | Peter C. Daubner | 13 | Grandson | — | New Jersey |
| 33 | Margaret Daubner | 9 | Granddaughter | — | New Jersey |
| 34 | Barbara Daubner | 9 | Granddaughter | — | New Jersey |
| 35 | Hannah Walsh | 50 | Head | Stenographer | New Jersey |
| 36 | Eleanor Walsh | 47 | Sister | Stenographer | New Jersey |
| 37 | Frank Walsh | 45 | Brother | Plumber | New Jersey |
| 38 | Michael J. Walsh | 76 | Father | — | New Jersey |
| 39 | Anna Walsh | 76 | Mother | — | Ireland |
| 40 | Albert Jr. Knox | 51 | Head | Clerk | New Jersey |
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)