AA
Alma Anderson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Mclean, Illinois
Our Model Tree links this Alma Anderson across the 1900, 1910 and 1920 US Censuses in Mclean, Illinois (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1900), then head of a 8-person household.
Age 20
b. ~1900
Female
Daughter
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Mclean, Illinois |
| Surname | Anderson |
| Given Name | Alma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Operator |
| Industry | Overall factory |
| 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 |
| Occupation | Operator |
| Township / Ward | Normal Township |
| Est. Birth Year | ~1900 |
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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Alma | Age | Birth yr |
|---|---|---|---|---|
| Lilly Anderson | Daughter | — | 8 | ~1912 |
| Lilly Anderson | Daughter | — | 11 | ~1909 |
| Alma Anderson | Daughter | — | 20 | ~1900 |
| John Anderson | Head | — | 54 | ~1866 |
| Conrad Anderson | Son | — | 15 | ~1905 |
| Albin Anderson | Son | — | 19 | ~1901 |
| Robert Anderson | Son | — | 3 | ~1917 |
| Elena Anderson | Spouse | — | 46 | ~1874 |
Census Appearances
1900
Mclean, Illinois
Daughter, age 1
Mclean, Illinois · implied b. ~1899 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Alma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Birth Month | July |
| Birth Year | 1899 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1910
Mclean, Illinois
Daughter, age 10
Mclean, Illinois · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Alma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Mclean, Illinois
Daughter, age 20
Mclean, Illinois · implied b. ~1900 — 8 household members
| Surname | Anderson |
| Given Name | Alma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Operator |
| Industry | Overall factory |
| 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 |
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 Alma Anderson across 3 US Census years (1900, 1910 and 1920) in Mclean, Illinois, using XGBoost record linkage. Identified parents: father John Anderson (~0.92 confidence) and father John Anderson (~0.92 confidence) and mother Selma Anderson (~0.92 confidence) and mother Elena Anderson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Anderson
b. ~1840
Source father
● Household
· direct · ~0.92
Father
John Anderson
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Selma Anderson
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Elena Anderson
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alma Anderson
Daughter · 1920 · age 20 · b. ~1900 · Illinois
★ You are viewing this record
Sibling
Lilly Anderson
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Conrad Anderson
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lilly Anderson
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Anderson
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albin Anderson
Sibling · 1920 · age 19
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 — Mclean, Illinois
Open full size
1920 US Federal Census — Mclean, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu387unit:0885)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | George Rankin | 40 | Head | Postmaster | Illinois |
| 52 | Sallie Rankin | 39 | Wife | — | Illinois |
| 53 | William D. Brickey | 33 | Head | Farmer | Illinois |
| 54 | May Brickey | 33 | Wife | — | Illinois |
| 55 | Donald Brickey | 5 | Son | — | Illinois |
| 56 | Vivian Brickey | 2 | Daughter | — | Illinois |
| 57 | Bertha Parsons | 14 | Hired girl | Servant | United States |
| 58 | Fred Wilson | 26 | Hired man | Laborer | Missouri |
| 59 | John R. Nichols | 49 | Head | Farmer | Kentucky |
| 60 | Mahaley Nichols | 47 | Wife | — | Kentucky |
| 61 | James Nichols | 17 | Son | — | Kentucky |
| 62 | Dorsey Nichols | 15 | Daughter | — | Kentucky |
| 63 | Edward Nichols | 13 | Son | — | Kentucky |
| 64 | Mabel M. Nichols | 11 | Daughter | — | Kentucky |
| 65 | Charles Nichols | 8 | Son | — | Illinois |
| 66 | Robert Nichols | 6 | Son | — | Illinois |
| 67 | John Anderson | 54 | Head | Miner | Sweden |
| 68 | Elena Anderson | 46 | Wife | — | Sweden |
| 69 | Alma Anderson THIS PERSON | 20 | Daughter | Operator | Illinois |
| 70 | Albin Anderson | 19 | Son | Salesman | Illinois |
| 71 | Conrad Anderson | 15 | Son | — | Illinois |
| 72 | Lilly Anderson | 11 | Daughter | — | Illinois |
| 73 | Lilly Anderson | 8 | Daughter | — | Illinois |
| 74 | Robert Anderson | 3 | Son | — | Illinois |
| 75 | Charles Westfall | 44 | Head | Farmer | Illinois |
| 76 | Augusta Westfall | 41 | Wife | — | Germany |
| 77 | Margaret Westfall | 17 | Daughter | — | Illinois |
| 78 | Lawrence Westfall | 12 | Son | — | Illinois |
| 79 | Nels Carlson | 73 | Head | Farmer | Sweden |
| 80 | Anna Carlson | 68 | Wife | — | Sweden |
| 81 | Alma V. Carlson | 43 | Daughter | Teacher | Illinois |
| 82 | Frank Carlson | 33 | Son | Laborer | Illinois |
| 83 | Carl R. Giebarth | 36 | Head | Farmer | Germany |
| 84 | Wilhelmina Giebarth | 59 | Mother | — | Germany |
| 85 | Marie P. Giebarth | 30 | Sister | — | Germany |
| 86 | Paul A. Giebarth | 19 | Brother | Laborer | Germany |
| 87 | Max H. Giebarth | 17 | Brother | Laborer | Germany |
| 88 | Louis Bays | 41 | Head | Farmer | West Virginia |
| 89 | Gusta Bays | 29 | Wife | — | Sweden |
| 90 | Louise Bays | 9 | Daughter | — | Illinois |
| 91 | Catherine Bays | 8 | Daughter | — | Illinois |
| 92 | Carl Bays | 6 | Son | — | Illinois |
| 93 | Margaret Bays | 3 | Daughter | — | Illinois |
| 94 | Mary Bays | 1 | Daughter | — | Illinois |
| 95 | Ed. J. Hastings | 49 | Head | Farmer | Illinois |
| 96 | Ida Hastings | 39 | Wife | — | Illinois |
| 97 | Miriam Hastings | 15 | Daughter | — | Illinois |
| 98 | Paul Hastings | 11 | Son | — | Illinois |
| 99 | Charles Schultz | 38 | Head | Farmer | Illinois |
| 100 | Anna Schultz | 33 | Wife | — | Illinois |
Pedigree Summary
Alma + 5 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)