LA
Leonard Anderson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Leonard Anderson across the 1900, 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Albert & Carl — first a son (b.~1898), then head of a 3-person household.
Age 32
b. ~1898
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Anderson |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Steam Boiler Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Bookkeeper |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1898 |
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 Leonard | Age | Birth yr |
|---|---|---|---|---|
| Carl Anderson | Head | — | 78 | ~1852 |
| Arthur Anderson | Son | — | 35 | ~1895 |
| Leonard Anderson | Son | — | 32 | ~1898 |
Census Appearances
1900
Cook, Illinois
Son, age
Cook, Illinois · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Lennart |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Birth Month | Mar |
| Birth Year | 1900 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1910
Cook, Illinois
Son, age 11
Cook, Illinois · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 21
Cook, Illinois · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Pantryman |
| Industry | Sears-Roebuck |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 32
Cook, Illinois · implied b. ~1898 — 3 household members
| Surname | Anderson |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Bookkeeper |
| Industry | Steam Boiler Works |
| 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 Leonard Anderson across 4 US Census years (1900, 1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: father Albert Anderson (~0.92 confidence) and father Carl Anderson (~0.92 confidence) and father Charles Anderson (~0.92 confidence) and father James Anderson (~0.92 confidence) and mother Hanna Anderson (~0.92 confidence) and mother Jennie Anderson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Anderson
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Carl Anderson
b. ~1852
Source father
● Household
· direct · ~0.92
Father
Charles Anderson
b. ~1871
Source father
● Household
· direct · ~0.92
Father
James Anderson
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Hanna Anderson
b. ~1859
Source mother
● Household
· direct · ~0.92
Mother
Jennie Anderson
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leonard Anderson
Son · 1930 · age 32 · b. ~1898 · Illinois
★ You are viewing this record
Sibling
Arthur Anderson
Sibling · 1930 · age 35
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 — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel442:0011)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Donald Paul Day | 5 | Son | — | Indiana |
| 2 | Mabel Moody | 19 | Niece | Inspector | Indiana |
| 3 | Nicholas Schreiber | 83 | Head | Porter | Germany |
| 4 | Clara Schreiber | 36 | Daughter | None | Illinois |
| 5 | Augusta Schreiber | 52 | Daughter | Book Binder | Illinois |
| 6 | John Schreiber | 58 | Son | Watchman | Illinois |
| 7 | Harry Reader | 29 | Head | Switchman | Wisconsin |
| 8 | Nellie Reader | 29 | Wife-H | None | Wisconsin |
| 9 | Mildred Reader | 9 | Daughter | None | Illinois |
| 10 | Keith Reader | 7 | Son | None | N Dakota |
| 11 | Beulah Mae Reader | 5 | Daughter | None | Illinois |
| 12 | Charles Reader | 2 | Son | None | Illinois |
| 13 | Ardella Reader | 0 | Daughter | None | Illinois |
| 14 | Mary Hoffman | 34 | Head | None | Illinois |
| 15 | Virginia Hoffman | 13 | Daughter | None | Illinois |
| 16 | John Hoffman | 11 | Son | None | Illinois |
| 17 | Carmen Hoffman | 7 | Son | None | Illinois |
| 18 | Robert Hoffman | 4 | Son | None | Illinois |
| 19 | David Hoffman | 2 | Son | None | Illinois |
| 20 | James Hoffman | 0 | Son | None | Illinois |
| 21 | Columbus Randall | 58 | Head | Laborer | W Virginia |
| 22 | Pearl Randall | 47 | Wife-H | Mangler | Indiana |
| 23 | Julia Schreiber | 51 | Head | None | Ohio |
| 24 | Thomas Schreiber | 40 | Son | Printer | Illinois |
| 25 | Julia Geer | 37 | Daughter | Correspondent | Illinois |
| 26 | Fred Schreiber | 11 | Grandson | None | Illinois |
| 27 | Henry Dinwiddie | 42 | Head | Salesman | Florida |
| 28 | Mary Dinwiddie | 33 | Wife-H | None | Montana |
| 29 | Robert H Dinwiddie | 5 | Son | None | Illinois |
| 30 | Paul E Dinwiddie | 3 | Son | None | Illinois |
| 31 | Gene F Dinwiddie | 1 | Daughter | None | Illinois |
| 32 | Alexander Prentice | 23 | Head | Electrician | Illinois |
| 33 | Genevieve Prentice | 19 | Wife-H | Switchboard | Illinois |
| 34 | Mathilda Steiger | 61 | Head | None | Germany |
| 35 | William Steiger | 39 | Son | Steam Fitter | Illinois |
| 36 | Fred Steiger | 28 | Son | Electrician | Illinois |
| 37 | Thomas H Watson | 28 | Head | Stock Keeper | England |
| 38 | Caroline Watson | 29 | Wife-H | None | Germany |
| 39 | Elmer Floyd | 26 | Head | Jeweler | Kentucky |
| 40 | Caroline Floyd | 23 | Wife-H | None | Illinois |
| 41 | Gladys Floyd | 7 | Daughter | None | Illinois |
| 42 | Earl Floyd | 1 | Son | None | Kentucky |
| 43 | Otto Krumdieck | 42 | Head | Carpenter | Germany |
| 44 | Bernadine Krumdieck | 33 | Wife-H | None | Germany |
| 45 | Carl J Anderson | 78 | Head | None | Sweden |
| 46 | Arthur Anderson | 35 | Son | Clerk | Illinois |
| 47 | Leonard Anderson THIS PERSON | 32 | Son | Bookkeeper | Illinois |
| 48 | Edward Krentz | 30 | Head | Mech. Helper | Illinois |
| 49 | Frances Krentz | 26 | Wife-H | None | Illinois |
| 50 | Edward, Jr Krentz | 7 | Son | None | Illinois |
Pedigree Summary
Leonard + 1 sibling
Gen 1 · 6 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)