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Joan Smith — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Mercer, New Jersey
Our Model Tree links this Joan Smith across the 1930 and 1940 US Censuses in Mercer, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 12-person household.
Age 0
b. ~1930
Female
Daughter
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Mercer, New Jersey |
| Surname | Smith |
| Given Name | Joan M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | City Of Trenton |
| Est. Birth Year | ~1930 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Joan | Age | Birth yr |
|---|---|---|---|---|
| William Smith | Head | — | 44 | ~1886 |
| Joan Smith | Daughter | — | ~1930 | |
| Robert Smith | Son | — | 13 | ~1917 |
| Donald Smith | Son | — | 3 | ~1927 |
| Marian Smith | Daughter | — | 2 | ~1928 |
| William Smith | Son | — | 10 | ~1920 |
| William Smith | Son | — | 15 | ~1915 |
| Lucille Smith | Daughter | — | 8 | ~1922 |
| Beatrice Smith | Daughter | — | 16 | ~1914 |
| Tessa Smith | Other | — | 43 | ~1887 |
| Richard Smith | Son | — | 5 | ~1925 |
| Melba Smith | Daughter | — | 7 | ~1923 |
Census Appearances
1930
Mercer, New …
Daughter, age
Mercer, New Jersey · implied b. ~1930 — 12 household members
| Surname | Smith |
| Given Name | Joan M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| 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
Mercer-County, New …
Daughter, age 10
Mercer-County, New Jersey · implied b. ~1930 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Highest Grade | 5 |
| 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 Joan Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joan Smith
Daughter · 1930 · age 0 · b. ~1930 · New Jersey
★ You are viewing this record
Sibling
William Smith
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Smith
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Smith
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marian Smith
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Smith
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Smith
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Smith
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Smith
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melba Smith
Sibling · 1930 · age 7
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
1930 US Federal Census — Mercer, New Jersey
Open full size
1930 US Federal Census — Mercer, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1362:0974)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wayman Campbell | 34 | Head | Moulder | South Carolina |
| 2 | Rosalie Campbell | 24 | Wife-H | Housework | South Carolina |
| 3 | Bessie Campbell | 4 | Daughter | — | New Jersey |
| 4 | Peter Campbell | 2 | Son | — | New Jersey |
| 5 | Dante Snipe | 39 | Head | Laborer | South Carolina |
| 6 | Rose Snipe | 25 | Wife-H | — | South Carolina |
| 7 | Dante Jr. Snipe | 7 | Son | — | South Carolina |
| 8 | James H. Snipe | 4 | Son | — | South Carolina |
| 9 | Dorothy M. Snipe | 1 | Daughter | — | South Carolina |
| 10 | James Snipe | 30 | Head | Laborer | South Carolina |
| 11 | Olla Snipe | 21 | Wife-H | Dishwasher | South Carolina |
| 12 | Adda Haas | 37 | Head | Practical Nurse | New Jersey |
| 13 | Harry E. Haas | 17 | Son | Printer | New Jersey |
| 14 | Helyard Haas | 15 | Son | — | New Jersey |
| 15 | James Dowd | 38 | Boarder | Printer | New Jersey |
| 16 | Robert E. Southard | 26 | Head | Truck Driver | New Jersey |
| 17 | Marie Southard | 26 | Wife-H | — | New Jersey |
| 18 | Christopher G. Tucker | 50 | Head | Proprietor | New Jersey |
| 19 | Sarah A. Tucker | 48 | Wife-H | — | New Jersey |
| 20 | Robert F. Tucker | 14 | Son | — | New Jersey |
| 21 | Charles Sr. Haas | 23 | Head | Cutter | New Jersey |
| 22 | Johannah Haas | 72 | Wife-H | — | New York |
| 23 | Elizabeth Haas | 47 | Daughter | — | Pennsylvania |
| 24 | George F. Jr. Best | 19 | Grandson | Draftsman | New Jersey |
| 25 | Madaline Best | 12 | Grd-daughter | — | New Jersey |
| 26 | Charles E. Pollock | 53 | Head | Park Guard | New Jersey |
| 27 | Katherine M. Pollock | 52 | Wife-H | — | New Jersey |
| 28 | George F. Pollock | 25 | Son | Time Keeper | New Jersey |
| 29 | Robert J. Pollock | 17 | Son | — | New Jersey |
| 30 | Mary A. Travers | 55 | Head | — | New Jersey |
| 31 | Delia A. Prigg | 50 | Sister | Tailoress | New Jersey |
| 32 | Marion Blackburn | 30 | Niece | — | New Jersey |
| 33 | Richard Blackburn | 10 | Nephew | — | New Jersey |
| 34 | Bernard Blackburn | 9 | Nephew | — | New Jersey |
| 35 | William G. Smith | 44 | Head | Auto Mechanic | New Jersey |
| 36 | Tessa F. Smith | 43 | Wife-H | — | New Jersey |
| 37 | Beatrice J. Smith | 16 | Daughter | — | New Jersey |
| 38 | William G. Smith | 15 | Son | Errand Boy | New Jersey |
| 39 | Robert W. Smith | 13 | Son | — | New Jersey |
| 40 | William E. Smith | 10 | Son | — | New Jersey |
| 41 | Lucille R. Smith | 8 | Daughter | — | New Jersey |
| 42 | Melba R. Smith | 7 | Daughter | — | New Jersey |
| 43 | Richard E. Smith | 5 | Son | — | New Jersey |
| 44 | Donald G. Smith | 3 | Son | — | New Jersey |
| 45 | Marian G. Smith | 2 | Daughter | — | New Jersey |
| 46 | Joan M. Smith THIS PERSON | 0 | Daughter | — | New Jersey |
| 47 | Clifford G. Platt | 34 | Head | Roofer | United States |
| 48 | Mary Platt | 32 | Wife-H | — | New Jersey |
| 49 | Clifford Jr. Platt | 9 | Son | — | New Jersey |
| 50 | Edith M. Platt | 6 | Daughter | — | New Jersey |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)