MA
Martha Anderson — 1920 US Census Record
Model Tree available1920 United States Federal Census · St Louis, Minnesota
Our Model Tree links this Martha Anderson across the 1900, 1910 and 1920 US Censuses in St Louis, Minnesota (XGBoost, ~Confirmed), with identified parents Julius & Lena — first a daughter (b.~1899), then head of a 5-person household.
Age 21
b. ~1899
Female
Daughter
Born: Minnesota
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | St Louis, Minnesota |
| Surname | Anderson |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Additional Details | |
| Occupation | Office Clerk |
| Industry | Wholesale House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Office Clerk |
| Township / Ward | Duluth City |
| Est. Birth Year | ~1899 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| Martha Anderson | Daughter | — | 21 | ~1899 |
| Clara Anderson | Daughter | — | 23 | ~1897 |
| Jessie Anderson | Head | — | 57 | ~1863 |
| Harvey Robillard | Other | — | 22 | ~1898 |
| Julius Anderson | Son | — | 19 | ~1901 |
Census Appearances
1900
St Louis, …
Daughter, age 2
St Louis, Minnesota · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Birth Month | Nov |
| Birth Year | 1898 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1910
St Louis, …
Daughter, age 11
St Louis, Minnesota · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
St Louis, …
Daughter, age 21
St Louis, Minnesota · implied b. ~1899 — 5 household members
| Surname | Anderson |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Office Clerk |
| Industry | Wholesale House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Martha Anderson across 3 US Census years (1900, 1910 and 1920) in St Louis, Minnesota, using XGBoost record linkage. Identified parents: father Julius Anderson (~0.92 confidence) and mother Lena Anderson (~0.92 confidence) and mother Jessie Anderson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Julius Anderson
b. ~1855
Source father
● Household
· direct · ~0.92
Mother
Lena Anderson
b. ~1859
Source mother
● Household
· direct · ~0.92
Mother
Jessie Anderson
b. ~1863
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Martha Anderson
Daughter · 1920 · age 21 · b. ~1899 · Minnesota
★ You are viewing this record
Sibling
Julius Anderson
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Anderson
Sibling · 1920 · 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
1920 US Federal Census — St Louis, Minnesota
Open full size
1920 US Federal Census — St Louis, Minnesota
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu859unit:0174)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wallace Erickson | 2 | Son | — | Minnesota |
| 2 | Kathleen Erickson | 0 | Daughter | — | Minnesota |
| 3 | Elizabeth Campbell | 66 | Head | — | Canada |
| 4 | Agda Campbell | 34 | Niece | Stenographer | Canada |
| 5 | Paul Samas | 46 | Head | Carpenter | Lithuania |
| 6 | George F. Doran | 69 | Head | Watchman | Maine |
| 7 | Jane Doran | 65 | Wife | — | Canada |
| 8 | Theodore Palm | 28 | Lodger | Blacksmith | Wisconsin |
| 9 | Mary Humphries | 70 | Sister-in-law | — | Canada |
| 10 | Carl Johnson | 38 | Lodger | Carpenter | Sweden |
| 11 | Edwin Larson | 34 | Head | Crane Operat. | Michigan |
| 12 | Ida Larson | 32 | Wife | — | Minnesota |
| 13 | Violet May Larson | 4 | Daughter | — | Michigan |
| 14 | Hans Erickson | 51 | Head | Laborer | Sweden |
| 15 | Kristina Erickson | 45 | Wife | — | Sweden |
| 16 | Emma Erickson | 22 | Daughter | Machine Operat. | Minnesota |
| 17 | Edward Erickson | 17 | Son | — | Minnesota |
| 18 | George Erickson | 6 | Son | — | Minnesota |
| 19 | Evelyn Erickson | 4 | Daughter | — | Minnesota |
| 20 | Mary Grieve | 75 | Head | Boarding House | Canada |
| 21 | William Grieve | 40 | Son | Trucker | Canada |
| 22 | Harry Doyle | 49 | Boarder | Laborer | Ireland |
| 23 | Saul Stranger | 45 | Boarder | Laborer | Wisconsin |
| 24 | Harvey Rathbun | 65 | Boarder | Teamster | Michigan |
| 25 | Sarah Rathbun | 46 | Servant | Cook | Canada |
| 26 | Albert E. Rathbun | 11 | Boarder | — | Minnesota |
| 27 | Anna Sladen | 16 | Servant | Waitress | Sweden |
| 28 | John Johnson | 80 | Head | Laborer | Sweden |
| 29 | Amelia Johnson | 72 | Wife | — | Sweden |
| 30 | William Larson | 29 | Lodger | Car Repairer | Sweden |
| 31 | Ernest Larson | 30 | Lodger | Car Repairer | Sweden |
| 32 | Jalmar Olem | 35 | Lodger | Woodsman | Sweden |
| 33 | Jessie Anderson | 57 | Head | — | Norway |
| 34 | Clara Anderson | 23 | Daughter | — | Minnesota |
| 35 | Martha Anderson THIS PERSON | 21 | Daughter | Office Clerk | Minnesota |
| 36 | Julius Anderson | 19 | Son | Driver | Minnesota |
| 37 | Harvey Robillard | 22 | Lodger | Laborer | Minnesota |
| 38 | John Murphy | 53 | Head | Watchman | Iowa |
| 39 | Leone Murphy | 45 | Wife | — | Wisconsin |
| 40 | Bengt Berg | 37 | Head | Watchman | Wisconsin |
| 41 | Bernice Berg | 33 | Wife | — | North Dakota |
| 42 | Merrill Berg | 5 | Son | — | Wisconsin |
| 43 | Bernett Berg | 3 | Daughter | — | Minnesota |
| 44 | Ole Nelson | 36 | Head | Woodsman | Norway |
| 45 | Harriet Nelson | 31 | Wife | — | Norway |
| 46 | Gunnar Nelson | 2 | Son | — | Minnesota |
| 47 | Roy Nelson | 0 | Son | — | Minnesota |
| 48 | Ole Brodson | 38 | Head | Repairman | Sweden |
| 49 | Anna Brodson | 31 | Wife | — | Sweden |
| 50 | Gunnard Brodson | 1 | Daughter | — | Minnesota |
Related Census Records
Pedigree Summary
Martha + 2 siblings
Gen 1 · 3 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)