RJ
Ralph Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Essex, New Jersey
Our Model Tree links this Ralph Johnson across the 1910, 1920 and 1930 US Censuses in Essex, New Jersey (XGBoost, ~Confirmed), with identified parents George & Minerva — first a head (b.~1899), then head of a 4-person household.
Age 31
b. ~1899
Male
Head
Born: New Jersey
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, New Jersey |
| Surname | Johnson |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 27 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Occupation | Plumber |
| Industry | Plumbing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 22000 |
| Radio Set | R |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Plumber |
| Township / Ward | East Orange City |
| Est. Birth Year | ~1899 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Marie Johnson | Daughter | — | 1 | ~1929 |
| Mae Johnson | Daughter | — | 1 | ~1929 |
| Ralph Johnson | Head | — | 31 | ~1899 |
| Anna Johnson | Spouse | — | 28 | ~1902 |
Census Appearances
1910
Union, New …
Son, age 10
Union, New Jersey · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ralph |
| 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 |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1920
Essex, New …
Son, age 20
Essex, New Jersey · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ralph |
| 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 | Steamfitter helper |
| Industry | Oil Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Essex, New …
Head, age 31
Essex, New Jersey · implied b. ~1899 — 4 household members
| Surname | Johnson |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 27 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Plumber |
| Industry | Plumbing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 22000 |
| Radio Set | R |
| 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 Ralph Johnson across 3 US Census years (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage. Identified parents: father George Johnson (~0.92 confidence) and mother Minerva Johnson (~0.92 confidence) and mother Minerva Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Johnson
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Minerva Johnson
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Minerva Johnson
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Johnson
Head · 1930 · age 31 · b. ~1899 · New Jersey
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Essex, New Jersey
Open full size
1930 US Federal Census — Essex, New Jersey
Page Contents
48 people indexed on this census page (ia:1930:newjerseycensus00reel1329:0421)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Axel M Nelson | 42 | Head | Foreman | Indiana |
| 52 | Agnes E Nelson | 37 | Wife | — | Illinois |
| 53 | Arthur G Nelson | 17 | Son | — | Illinois |
| 54 | Marion G Nelson | 8 | Daughter | — | Illinois |
| 55 | Vivian L Nelson | 3 | Daughter | — | Illinois |
| 56 | John H Price | 58 | Head | Salesman | England |
| 57 | Flora E Price | 56 | Wife | — | New Jersey |
| 58 | Marion Price | 25 | Daughter | Clerk | New Jersey |
| 59 | Mary Milne | 64 | Sister-in-law | Nurse | New Jersey |
| 60 | Matilda Milne | 58 | Sister-in-law | — | New Jersey |
| 61 | Theodore White | 43 | Head | Salesman | Canada English |
| 62 | Grace White | 45 | Wife | — | New York |
| 63 | Theodore White | 12 | Son | — | New York |
| 64 | Ralph Johnson THIS PERSON | 31 | Head | Plumber | New Jersey |
| 65 | Anna Johnson | 28 | Wife | — | New Jersey |
| 66 | Mae Johnson | 1 | Daughter | — | New Jersey |
| 67 | Marie Johnson | 1 | Daughter | — | New Jersey |
| 68 | William A Smith | 47 | Head | Manager | New York |
| 69 | Rosalie B Smith | 48 | Wife | — | New Jersey |
| 70 | William B Smith | 14 | Son | — | New Jersey |
| 71 | John Corso | 43 | Head | Pharmacist | Italy |
| 72 | Marie D Corso | 42 | Wife | — | Austria |
| 73 | John A Corso | 12 | Son | — | New Jersey |
| 74 | Victor C Corso | 10 | Son | — | New Jersey |
| 75 | Elizabeth M Corso | 7 | Daughter | — | New Jersey |
| 76 | Gunnar Bernt | 53 | Head | Engineer | Norway |
| 77 | Malene Bernt | 46 | Wife | — | Norway |
| 78 | Ragnvald Bernt | 29 | Nephew | Clerk | Norway |
| 79 | Harald Bernt | 20 | Nephew | Clerk | Norway |
| 80 | Reginald Sorge | 31 | Head | Adjuster | Vermont |
| 81 | Dorothy Sorge | 27 | Wife | — | Massachusetts |
| 82 | Ruth Brown | 38 | Head | Attorney | New York |
| 83 | Henrietta Brown | 35 | Wife | — | New York |
| 84 | Hilda Brown | 12 | Daughter | — | New York |
| 85 | Lillian Brown | 7 | Daughter | — | New York |
| 86 | Marian J Brown | 1 | Daughter | — | New York |
| 87 | W Vernon Boom | 31 | Head | Manufacturer | New Jersey |
| 88 | Mildred Boom | 29 | Wife | — | New Jersey |
| 89 | Jessie A Boom | 56 | Mother | — | England |
| 90 | Anna Montwid | 53 | Head | — | New York |
| 91 | Wanda Montwid | 25 | Daughter | Clerk | New York |
| 92 | Charles Montwid | 23 | Son | Teller | New Jersey |
| 93 | Mayre V Frey | 39 | Head | Cashier | New York |
| 94 | Louise E Frey | 24 | Son | Lawyer | New Jersey |
| 95 | Janet M Frey | 14 | Daughter | — | New Jersey |
| 96 | Anna Rathfuss | 50 | Head | — | New Jersey |
| 97 | Chester W Rathfuss | 25 | Son | Lawyer | New Jersey |
| 98 | William Rathfuss | 20 | Son | Watchman | New Jersey |
Pedigree Summary
Ralph
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 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)