PJ
Pearl Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Rock Island, Illinois
Our Model Tree links this Pearl Johnson across the 1910, 1920 and 1930 US Censuses in Rock Island, Illinois (XGBoost, ~Confirmed), with identified parents Chris & August — first a daughter (b.~1901), then head of a 3-person household.
Age 29
b. ~1901
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Rock Island, Illinois |
| Surname | Johnson |
| Given Name | Pearl |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | nurse |
| Industry | Trained |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Nurse |
| Township / Ward | Moline City |
| Est. Birth Year | ~1901 |
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 1930 census.
| Name | Relation to head | Relative to Pearl | Age | Birth yr |
|---|---|---|---|---|
| Pearl Johnson | Daughter | — | 29 | ~1901 |
| Christ Johnson | Head | — | 56 | ~1874 |
| Alma Johnson | Other | — | 54 | ~1876 |
Census Appearances
1910
Rock Island, …
Daughter, age 9
Rock Island, Illinois · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Pearl |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Rock Island, …
Daughter, age 19
Rock Island, Illinois · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Pearl |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Illinois |
| Occupation | Bookkeeper |
| Industry | Retail Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Rock Island, …
Daughter, age 29
Rock Island, Illinois · implied b. ~1901 — 3 household members
| Surname | Johnson |
| Given Name | Pearl |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Illinois |
| Occupation | nurse |
| Industry | Trained |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Pearl Johnson across 3 US Census years (1910, 1920 and 1930) in Rock Island, Illinois, using XGBoost record linkage. Identified parents: father Chris Johnson (~0.92 confidence) and father August Johnson (~0.92 confidence) and mother Anna Johnson (~0.92 confidence) and mother Alma Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Chris Johnson
b. ~1875
Source father
● Household
· direct · ~0.92
Father
August Johnson
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Anna Johnson
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Alma Johnson
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Pearl Johnson
Daughter · 1930 · age 29 · b. ~1901 · Illinois
★ 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 — Rock Island, Illinois
Open full size
1930 US Federal Census — Rock Island, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel552:1100)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Eckblad Carrie Ekblad | 29 | daughter | Teacher | Sweden |
| 52 | Otto Erickson | 46 | Head | Laborer | Sweden |
| 53 | Anna Erickson | 44 | wife-H | None | Sweden |
| 54 | Olga Erickson | 20 | Daughter | None | Illinois |
| 55 | Charles Cobert | 74 | Head | None | Belgium |
| 56 | Clemence Cobert | 62 | wife-H | None | Belgium |
| 57 | Newton Stabler | 42 | Head | Welder | South Dakota |
| 58 | Mabel Stabler | 35 | wife-H | None | South Dakota |
| 59 | Newton Stabler | 17 | son | Laborer | South Dakota |
| 60 | Fred Stabler | 16 | son | None | Georgia |
| 61 | May L. Stabler | 15 | daughter | None | South Dakota |
| 62 | Otto Stabler | 12 | son | None | South Dakota |
| 63 | Hazel Stabler | 11 | daughter | None | South Dakota |
| 64 | John Stabler | 9 | son | None | South Dakota |
| 65 | Frank Stabler | 6 | son | None | Illinois |
| 66 | William Stabler | 4 | son | None | Illinois |
| 67 | Robert Stabler | 1 | son | None | Illinois |
| 68 | George Winchell | 36 | brother-in-law | Butcher | South Dakota |
| 69 | Jens Johansen | 48 | Head | Yes | Norway |
| 70 | Hilma Johansen | 48 | wife-H | Yes | Norway |
| 71 | Albert Johansen | 23 | son | Yes | Norway |
| 72 | Sigurd Johansen | 20 | son | Yes | Illinois |
| 73 | August N. Johnson | 58 | Head | Yes | Minnesota |
| 74 | Hulda Johnson | 54 | wife-H | None | Minnesota |
| 75 | George Guingery | 48 | Head | Foreman | Illinois |
| 76 | Sadie Guingery | 51 | wife-H | None | Iowa |
| 77 | Roy A. Guingery | 23 | son | Inspector | Illinois |
| 78 | Margaret J. Guingery | 20 | daughter | Stenographer | Illinois |
| 79 | Arthur R. Pearson | 38 | Head | Machinist | Illinois |
| 80 | Dora Pearson | 35 | wife-H | Yes | Illinois |
| 81 | Henry W. Rachow | 66 | Head | Yes | New York |
| 82 | Phillikina Rachow | 65 | wife-H | Yes | Illinois |
| 83 | Christ Johnson | 56 | Head | Yes | Denmark |
| 84 | Alma Johnson | 54 | wife-H | None | Illinois |
| 85 | Pearl Johnson THIS PERSON | 29 | daughter | Nurse | Illinois |
| 86 | Wastin E. Yeep | 54 | Head | Checker | Illinois |
| 87 | Claudie Yeep | 53 | wife-H | None | Illinois |
| 88 | Dale W. Yeep | 18 | son | Clerk | Illinois |
| 89 | Letty Hennesy | 50 | Head | Teacher | Illinois |
| 90 | Mattie Hennesy | 61 | sister-H | Housekeeper | Illinois |
| 91 | Charles E. Patchin | 57 | Head | Engineer | Illinois |
| 92 | Barbara Patchin | 47 | wife-H | None | Illinois |
| 93 | Louise Metger | 22 | step-daughter | Stenographer | Illinois |
| 94 | Jerome Metger | 21 | step-son | Tool Sink | Illinois |
| 95 | Lucille Metger | 19 | step-daughter | Copy Holder | Illinois |
| 96 | Warren Metger | 18 | step-son | Draftsman | Illinois |
| 97 | Carlene Metger | 15 | step-daughter | None | Illinois |
| 98 | Joseph E. Jophet | 41 | Head | Inspector | Texas |
| 99 | Mary K. Jophet | 42 | wife-H | None | Illinois |
| 100 | Ida M. Jophet | 15 | Daughter | None | New York |
Pedigree Summary
Pearl
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 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)