FJ
Frederick Johnson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Hudson, New Jersey
Our Model Tree links this Frederick Johnson across the 1920, 1930 and 1940 US Censuses in Hudson, New Jersey (XGBoost, ~Confirmed), with identified parents Frank & Fredrick — first a son (b.~1912), then head of a 5-person household.
Age 8
b. ~1912
Male
Son
Born: New Jersey
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Hudson, New Jersey |
| Surname | Johnson |
| Given Name | Frederick |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Occupation | none |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1912 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Frederick | Age | Birth yr |
|---|---|---|---|---|
| Anna Johnson | Spouse | — | 32 | ~1888 |
| Frank Johnson | Head | — | 40 | ~1880 |
| Frederick Johnson | Son | — | 8 | ~1912 |
| Joseph Johnson | Son | — | 5 | ~1915 |
| Robert Johnson | Son | — | 3 | ~1917 |
Census Appearances
1920
Hudson, New …
Son, age 8
Hudson, New Jersey · implied b. ~1912 — 5 household members
| Surname | Johnson |
| Given Name | Frederick |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Son, age 18
Hudson, New Jersey · implied b. ~1912 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Fredrick J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| 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
Hudson-County, New …
Head, age 29
Hudson-County, New Jersey · implied b. ~1911 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Fred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Draftsman |
| Industry | Priv. Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2100 |
| Highest Grade | Hs 4 |
| 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 Frederick Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Johnson (~0.92 confidence) and father Fredrick Johnson (~0.92 confidence) and mother Anne Johnson (~0.92 confidence) and mother Anna Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Johnson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Fredrick Johnson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Anne Johnson
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Anna Johnson
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frederick Johnson
Son · 1920 · age 8 · b. ~1912 · New Jersey
★ You are viewing this record
Sibling
Joseph Johnson
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Johnson
Sibling · 1920 · age 3
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
1920 US Federal Census — Hudson, New Jersey
Open full size
1920 US Federal Census — Hudson, New Jersey
Page Contents
49 people indexed on this census page (ia:1920:14thcensusofpopu1044unit:0313)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Katherine Hoffman | 53 | Head | Housekeeper | New York |
| 2 | Frederick Hoffman | 27 | Son | Traffic Clerk | New Jersey |
| 3 | John M. Hoffman | 26 | Son | Bill Clerk | New Jersey |
| 4 | Catherine V. Hoffman | 25 | Daughter | Office Work | New Jersey |
| 5 | John Burns | 31 | Boarder | Clerk | New Jersey |
| 6 | Annie Burns | 36 | Boarder | None | Germany |
| 7 | Thomas Kirby | 34 | Boarder | Laborer | New Jersey |
| 8 | Morton Mcmahon | 60 | Boarder | Public Train | New Jersey |
| 9 | William Finnigan | 26 | Boarder | Inspector | New Jersey |
| 10 | Loretta Finnigan | 24 | Boarder | None | New Jersey |
| 11 | Fred Finnigan | 7 | Boarder | None | New Jersey |
| 12 | Joseph Hadoda | 66 | Head | Cooper | Poland |
| 13 | Rose Hadoda | 53 | Wife | None | Poland |
| 14 | William Hadoda | 26 | Son | Shipbuilder | New Jersey |
| 15 | Edward Hadoda | 23 | Son | Air Brake | New Jersey |
| 16 | Otto Hadoda | 20 | Son | Blacksmith | New Jersey |
| 17 | George Hadoda | 17 | Son | Laborer | New Jersey |
| 18 | Edward H. Mackie | 37 | Son-in-law | Layout Clerk | New York |
| 19 | Anna Mackie | 33 | Daughter | None | New Jersey |
| 20 | Rose Mackie | 6 | Grandchild | None | New York |
| 21 | Edward Mackie | 4 | Grandchild | None | New Jersey |
| 22 | Agnes Mackie | 3 | Grandchild | None | New Jersey |
| 23 | William Mackie | 1 | Grandchild | None | New Jersey |
| 24 | Catherine Mackie | 0 | Grandchild | None | New York |
| 25 | Albert Lougherick | 25 | Head | Baker | Canada |
| 26 | Anna Lougherick | 31 | Wife | Janitor | Germany |
| 27 | Walter J. Yosshua | 26 | Head | Printer | New Jersey |
| 28 | Anna Yosshua | 24 | Wife | None | New Jersey |
| 29 | Bernard Yosshua | 3 | Son | None | New Jersey |
| 30 | Jennie Yosshua | 53 | Mother | None | Poland |
| 31 | John Darley | 35 | Head | Manager | New York |
| 32 | Eleanor Darley | 31 | Wife | None | New York |
| 33 | Evelyn Darley | 5 | Daughter | None | New York |
| 34 | Kenneth Darley | 2 | Son | None | New York |
| 35 | Frank Johnson | 40 | Head | Patrolman | New Jersey |
| 36 | Anna Johnson | 32 | Wife | None | New Jersey |
| 37 | Frederick Johnson THIS PERSON | 8 | Son | None | New Jersey |
| 38 | Joseph Johnson | 5 | Son | None | New Jersey |
| 39 | Robert Johnson | 3 | Son | None | New Jersey |
| 40 | Robert C. Bell | 42 | Head | Checker | New Jersey |
| 41 | Bell | 38 | Wife | None | New Jersey |
| 42 | Matthew Nugent | 45 | Head | Laborer | New Jersey |
| 43 | Eleanor Nugent | 39 | Wife | None | New Jersey |
| 44 | Harry F. Nugent | 17 | Son | None | New Jersey |
| 45 | John Dixon | 50 | Head | Laborer | New York |
| 46 | Sarah Dixon | 51 | Wife | None | New Jersey |
| 47 | Alice Dixon | 19 | Daughter | Tel. Oper. | New Jersey |
| 48 | John Dixon | 18 | Son | Checker | New Jersey |
| 49 | Sarah Dixon | 12 | Daughter | None | New Jersey |
Pedigree Summary
Frederick + 2 siblings
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 1920 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)