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Harold Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marquette-County, Michigan
Our Model Tree links this Harold Anderson across the 1920, 1930 and 1940 US Censuses in Marquette-County, Michigan (XGBoost, ~Confirmed), with identified parents Andrew & Andrew — first a son (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marquette-County, Michigan |
| Surname | Anderson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Marquette City |
| Additional Details | |
| Occupation | truck driver |
| Industry | fuel & lumber co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 320 |
| Highest Grade | 8 |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Truck Driver |
| Township / Ward | Marquette City |
| Est. Birth Year | ~1908 |
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 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Helen Anderson | Daughter | — | 29 | ~1911 |
| Andrew Anderson | Head | — | 77 | ~1863 |
| Harold Anderson | Son | — | 32 | ~1908 |
| Hulda Anderson | Spouse | — | 72 | ~1868 |
Census Appearances
1920
Marquette, Michigan
Son, age 12
Marquette, Michigan · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Harold |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Norway |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Marquette, Michigan
Son, age 22
Marquette, Michigan · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Harold |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Norway |
| Mother's Birthplace | Sweden |
| Occupation | salesman |
| Industry | furniture store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Marquette-County, Michigan
Son, age 32
Marquette-County, Michigan · implied b. ~1908 — 4 household members
| Surname | Anderson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Marquette City |
| Occupation | truck driver |
| Industry | fuel & lumber co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 320 |
| Highest Grade | 8 |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Harold Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Andrew Anderson (~0.92 confidence) and father Andrew Anderson (~0.92 confidence) and father Andrew Anderson (~0.92 confidence) and mother Hulda Anderson (~0.92 confidence) and mother Hulda Anderson (~0.92 confidence) and mother Hulda Anderson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Anderson
b. ~1863
Source father
● Household
· direct · ~0.92
Father
Andrew Anderson
b. ~1863
Source father
● Household
· direct · ~0.92
Father
Andrew Anderson
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Hulda Anderson
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Hulda Anderson
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Hulda Anderson
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Anderson
Son · 1940 · age 32 · b. ~1908 · Michigan
★ You are viewing this record
Sibling
Helen Anderson
Sibling · 1940 · age 29
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
1940 US Federal Census — Marquette-County, Michigan
Open full size
1940 US Federal Census — Marquette-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01786-00631)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lois Danielson | 14 | Daughter | — | Michigan |
| 2 | Algot Lindholm | 36 | Head | Auto Mechanic | Michigan |
| 3 | Alfreda Lindholm | 33 | Wife | Saleswoman | Michigan |
| 4 | Lloyd Lindholm | 10 | Son | — | Michigan |
| 5 | Josephine Larson | 76 | Head | — | Sweden |
| 6 | L. E. Lowry | 64 | Head | House Work | England |
| 7 | Harry S. Carpenter | 61 | Head | Painter | Iowa |
| 8 | Charles Carpenter | 18 | Son | Paper Carrier | Iowa |
| 9 | Jalmer Silta | 52 | Head | Oil Refiner | Finland |
| 10 | Benia Silta | 39 | Wife | — | Finland |
| 11 | Andrew Anderson | 77 | Head | — | Norway |
| 12 | Hulda Anderson | 72 | Wife | — | Sweden |
| 13 | Harold Anderson THIS PERSON | 32 | Son | Truck Driver | Michigan |
| 14 | Helen Anderson | 29 | Daughter | Bookkeeper | Michigan |
| 15 | Earl Perch | 40 | Head | Boiler Maker | Michigan |
| 16 | Marie Perch | 38 | Wife | — | Michigan |
| 17 | Earl Perch | 14 | Son | — | Michigan |
| 18 | Irving Aho | 35 | Head | Truck Driver | Michigan |
| 19 | Hilda Aho | 41 | Wife | — | Finland |
| 20 | Kenneth Aho | 7 | Son | — | Michigan |
| 21 | Jacob Ranta | 58 | Head | Bridge Carpenter | Finland |
| 22 | Maria Ranta | 52 | Wife | — | Finland |
| 23 | Elma Ranta | 16 | Daughter | — | Finland |
| 24 | Helmi Ranta | 13 | Daughter | — | Finland |
| 25 | William York | 41 | Head | Bridge Building Foreman | Michigan |
| 26 | Agnes York | 44 | Wife | — | Michigan |
| 27 | Robert York | 19 | Son | — | Michigan |
| 28 | Charles York | 17 | Son | — | Michigan |
| 29 | William York | 7 | Son | — | Michigan |
| 30 | Michael Mccarty | 29 | Head | Foreman | Michigan |
| 31 | Lena Mccarty | 31 | Wife | — | Michigan |
| 32 | Doris Anderson | 26 | Head | — | Michigan |
| 33 | James Anderson | 30 | Brother | Truck Driver | Michigan |
| 34 | Mary Anderson | 18 | Sister | — | Michigan |
| 35 | Earl Anderson | 16 | Brother | — | Michigan |
| 36 | Margaret Anderson | 13 | Sister | — | Michigan |
| 37 | Richard Anderson | 9 | Brother | — | Michigan |
| 38 | George Anderson | 8 | Brother | — | Michigan |
| 39 | Steffen Richardsen | 74 | Head | — | Illinois |
| 40 | Bennett Richardsen | 27 | Son | Auto Mechanic | Minnesota |
Pedigree Summary
Harold + 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 1940 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)