AA
Alma Anderson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Polk, Iowa
Our Model Tree links this Alma Anderson across the 1900, 1910 and 1920 US Censuses in Polk, Iowa (XGBoost, ~Confirmed), with identified parents Andrew & John — first a daughter (b.~1898), then head of a 5-person household.
Age 22
b. ~1898
Female
Daughter
Born: Iowa
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Polk, Iowa |
| Surname | Anderson |
| Given Name | Alma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Inspector |
| Industry | Shirt Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Inspector |
| Township / Ward | Des Moines 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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Alma | Age | Birth yr |
|---|---|---|---|---|
| Nellie Anderson | Daughter | — | 16 | ~1904 |
| Alma Anderson | Daughter | — | 22 | ~1898 |
| John Anderson | Head | — | 57 | ~1863 |
| William Anderson | Son | — | 21 | ~1899 |
| Ida Anderson | Spouse | — | 52 | ~1868 |
Census Appearances
1900
Polk, Iowa
Daughter, age 3
Polk, Iowa · implied b. ~1897 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Alma A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Birth Month | Jan |
| Birth Year | 1897 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1910
Polk, Iowa
Daughter, age 13
Polk, Iowa · implied b. ~1897 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Alma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Polk, Iowa
Daughter, age 22
Polk, Iowa · implied b. ~1898 — 5 household members
| Surname | Anderson |
| Given Name | Alma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Inspector |
| Industry | Shirt Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Polk, Iowa, using XGBoost record linkage. Identified parents: father Andrew Anderson (~0.92 confidence) and father John Anderson (~0.92 confidence) and father John Anderson (~0.92 confidence) and mother Ida Anderson (~0.92 confidence) and mother Ida Anderson (~0.92 confidence) and mother Ida Anderson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Anderson
b. ~1854
Source father
● Household
· direct · ~0.92
Father
John Anderson
b. ~1863
Source father
● Household
· direct · ~0.92
Father
John Anderson
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Ida Anderson
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Ida Anderson
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Ida Anderson
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alma Anderson
Daughter · 1920 · age 22 · b. ~1898 · Iowa
★ You are viewing this record
Sibling
William Anderson
Sibling · 1920 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Anderson
Sibling · 1920 · age 16
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 — Polk, Iowa
Open full size
1920 US Federal Census — Polk, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu509unit:0611)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Frank J. Coleman | 17 | Son | Pressman | Indiana |
| 52 | Geneva Coleman | 14 | Daughter | None | Indiana |
| 53 | Evelyn Coleman | 12 | Daughter | None | Iowa |
| 54 | Anthony Tratta | 33 | Head | Miner | Austria |
| 55 | Mary Tratta | 21 | Wife | None | Colorado |
| 56 | Ethel Tratta | 7 | Daughter | None | Iowa |
| 57 | Robert Knox | 64 | Father-in-law | Miner | Scotland |
| 58 | John Anderson | 57 | Head | Engineer | Sweden |
| 59 | Ida Anderson | 52 | Wife | None | Sweden |
| 60 | Alma Anderson THIS PERSON | 22 | Daughter | Inspector | Iowa |
| 61 | William Anderson | 21 | Son | Clerk | Iowa |
| 62 | Nellie Anderson | 16 | Daughter | None | Iowa |
| 63 | William J. Shearer | 70 | Head | Painter | Ohio |
| 64 | Sarah Jane Shearer | 63 | Wife | None | Tennessee |
| 65 | Edith Shearer | 24 | Daughter | Stenographer | Iowa |
| 66 | William Briggs | 57 | Head | Salesman | Louisiana |
| 67 | Rose E. Briggs | 53 | Wife | None | Iowa |
| 68 | John T. Garry | 60 | Head | Operator | England |
| 69 | Mary A. Garry | 52 | Wife | None | England |
| 70 | Helen M. Garry | 18 | Boarder | None | Iowa |
| 71 | Carl Kullin | 32 | Head | Fireman | Iowa |
| 72 | Hazel Kullin | 27 | Wife | None | Iowa |
| 73 | Stella Kullin | 4 | Daughter | None | Iowa |
| 74 | Wilma Kullin | 2 | Daughter | None | Iowa |
| 75 | James E. Monk | 25 | Head | Fireman | Iowa |
| 76 | Margaret Monk | 25 | Wife | None | Iowa |
| 77 | Mary E. Monk | 3 | Daughter | None | Iowa |
| 78 | Catherine Monk | 2 | Daughter | None | Iowa |
| 79 | James E. Jr. Monk | 1 | Son | None | Iowa |
| 80 | Lawrence Marchant | 17 | Head | Inspector | Iowa |
| 81 | George Marchant | 16 | Father | None | Iowa |
| 82 | Charles R. Johnson | 32 | Head | Inspector | Sweden |
| 83 | Alma Johnson | 35 | Wife | None | Norway |
| 84 | Jennie Johnson | 14 | Daughter | None | Iowa |
| 85 | Arthur Johnson | 13 | Son | None | Iowa |
| 86 | Florence Johnson | 11 | Daughter | None | Iowa |
| 87 | Richard Johnson | 8 | Son | None | Iowa |
| 88 | Norman Johnson | 2 | Son | None | Iowa |
| 89 | Frank Harris | 34 | Head | Laborer | Iowa |
| 90 | Malinda Harris | 31 | Wife | None | Missouri |
| 91 | Rosetta Perkins | 14 | Stepdaughter | None | Missouri |
| 92 | Augustus May | 42 | Head | Miner | Alabama |
| 93 | Blossie May | 33 | Wife | None | Kentucky |
| 94 | Roy May | 14 | Son | None | Iowa |
| 95 | Edward May | 12 | Son | None | Iowa |
| 96 | Rudolph May | 9 | Son | None | Iowa |
| 97 | Jessie May | 7 | Daughter | None | Iowa |
| 98 | Vivian May | 4 | Daughter | None | Iowa |
| 99 | Melvin May | 2 | Son | None | Iowa |
| 100 | Robert L. French | 60 | Head | Miner | Tennessee |
Pedigree Summary
Alma + 2 siblings
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 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)