FJ
Frances Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Rock Island, Illinois
Our Model Tree links this Frances Johnson across the 1910, 1920 and 1930 US Censuses in Rock Island, Illinois (XGBoost, ~Confirmed), with identified parents Nels & Nels — first a daughter (b.~1905), then head of a 4-person household.
Age 25
b. ~1905
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Rock Island, Illinois |
| Surname | Johnson |
| Given Name | Frances |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | England |
| Additional Details | |
| Occupation | Teacher |
| Industry | School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Teacher |
| Township / Ward | Moline |
| Est. Birth Year | ~1905 |
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 Frances | Age | Birth yr |
|---|---|---|---|---|
| Frances Johnson | Daughter | — | 25 | ~1905 |
| Nels Johnson | Head | — | 59 | ~1871 |
| Cecil Johnson | Son | — | 23 | ~1907 |
| Carrie Johnson | Spouse | — | 54 | ~1876 |
Census Appearances
Daughter, age 4
Rock Island, Illinois · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Francis |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Rock Island, …
Daughter, age 14
Rock Island, Illinois · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Frances |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Rock Island, …
Daughter, age 25
Rock Island, Illinois · implied b. ~1905 — 4 household members
| Surname | Johnson |
| Given Name | Frances |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | England |
| Occupation | Teacher |
| Industry | School |
| 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 Frances Johnson across 3 US Census years (1910, 1920 and 1930) in Rock Island, Illinois, using XGBoost record linkage. Identified parents: father Nels Johnson (~0.92 confidence) and father Nels Johnson (~0.92 confidence) and mother Carrie Johnson (~0.92 confidence) and father Frank Johnson (~0.92 confidence) and mother Anna Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nels Johnson
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Nels Johnson
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Carrie Johnson
b. ~1876
Source mother
● Household
· direct · ~0.92
Father
Frank Johnson
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Anna Johnson
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frances Johnson
Daughter · 1930 · age 25 · b. ~1905 · Illinois
★ You are viewing this record
Sibling
Cecil Johnson
Sibling · 1930 · age 23
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 — Rock Island, Illinois
Open full size
1930 US Federal Census — Rock Island, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel552:1083)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Viola Holmquist | 11 | Daughter | — | Illinois |
| 2 | Carl Holmquist | 41 | Brother-in-law | Contractor | Sweden |
| 3 | Joseph C. Eberly | 61 | Head | Retired | Iowa |
| 4 | Ada Eberly | 57 | Wife | — | Illinois |
| 5 | John W. Clayton | 81 | Father-in-law | — | Indiana |
| 6 | Indie Clayton | 77 | Mother-in-law | — | Iowa |
| 7 | Sophie Langbehn | 79 | Head | — | Germany |
| 8 | John Langbehn | 44 | Son | Laborer | Illinois |
| 9 | Guy M. Rogers | 42 | Head | Machinist | Pennsylvania |
| 10 | Bertha Rogers | 48 | Wife | — | Illinois |
| 11 | Loyal Rogers | 15 | Son | — | Illinois |
| 12 | Nina Rogers | 13 | Daughter | — | Illinois |
| 13 | Ida M. Rogers | 5 | Daughter | — | Illinois |
| 14 | John Lebbert | 73 | Head | Retired | Germany |
| 15 | Margaret Lebbert | 73 | Wife | — | Germany |
| 16 | Anna Allen | 62 | Head | — | Sweden |
| 17 | Arvid L. Allen | 23 | Son | Cashier | Illinois |
| 18 | Martin H. Allen | 20 | Son | Clerk | Illinois |
| 19 | Henrietta Griffin | 71 | Head | — | Illinois |
| 20 | Marjorie Griffin | 9 | Granddaughter | — | Illinois |
| 21 | Charles W. Johnson | 58 | Boarder | Laborer | Sweden |
| 22 | Frank Thomson | 60 | Head | Carpenter | Illinois |
| 23 | Henrietta Thomson | 56 | Wife | — | Illinois |
| 24 | Wayne Thomson | 35 | Son | Clerk | Illinois |
| 25 | Lyle Thomson | 5 | Grandson | — | Washington |
| 26 | Sarah Trevor | 68 | Sister-in-law | — | Wisconsin |
| 27 | Peter E. Ern | 67 | Head | Retired | Sweden |
| 28 | Christine Ern | 64 | Wife | — | Sweden |
| 29 | Herald R. Ern | 23 | Son | Operator | Illinois |
| 30 | Nels S. Johnson | 59 | Head | Carpenter | Sweden |
| 31 | Carrie Johnson | 54 | Wife | — | England |
| 32 | Frances Johnson THIS PERSON | 25 | Daughter | Teacher | Illinois |
| 33 | Cecil Johnson | 23 | Son | Laborer | Illinois |
| 34 | Miles Brack | 33 | Head | Salesman | Iowa |
| 35 | Mary Brack | 32 | Wife | — | Minnesota |
| 36 | Herald Brack | 6 | Son | — | Illinois |
| 37 | Eleanor Brack | 2 | Daughter | — | Iowa |
| 38 | August Lauwereys | 57 | Head | Moulder | Belgium |
| 39 | Louise Lauwereys | 54 | Wife | — | Belgium |
| 40 | Elizabeth Lauwereys | 23 | Daughter | Stenographer | Illinois |
| 41 | Joseph W. Mitchell | 34 | Head | Cutter | Iowa |
| 42 | Anna M. Mitchell | 29 | Wife | — | Illinois |
| 43 | Marilyn A. Mitchell | 5 | Daughter | — | Illinois |
| 44 | Frank H. | 62 | Father-in-law | Carpenter | Illinois |
| 45 | Clara R. | 59 | Mother-in-law | — | Illinois |
| 46 | Eric F. Anderson | 33 | Head | Pressman | Illinois |
| 47 | Wilma Anderson | 29 | Wife | — | Illinois |
| 48 | Arline Anderson | 10 | Daughter | — | Illinois |
| 49 | Wm. J. Norton | 71 | Father-in-law | Carpenter | Pennsylvania |
| 50 | Richard H. Trevor | 65 | Head | Janitor | Illinois |
Related Census Records
Pedigree Summary
Frances + 1 sibling
Gen 1 · 5 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)