LA
Leonard Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marquette-County, Michigan
Our Model Tree links this Leonard Anderson across the 1920, 1930 and 1940 US Censuses in Marquette-County, Michigan (XGBoost, ~Confirmed), with identified parents Leander & Anna — first a son (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marquette-County, Michigan |
| Surname | Anderson |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Negaunee city |
| 1935 Residence (County) | Marquette |
| Additional Details | |
| Occupation | Motorman on Trestle |
| Industry | Iron Ore Mine |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Motorman On Trestle |
| Township / Ward | Negaunee City |
| Est. Birth Year | ~1909 |
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 Leonard | Age | Birth yr |
|---|---|---|---|---|
| Leander Anderson | Head | — | 61 | ~1879 |
| Elias Anderson | Son | — | 34 | ~1906 |
| Leonard Anderson | Son | — | 31 | ~1909 |
| Anna Anderson | Spouse | — | 61 | ~1879 |
Census Appearances
1920
Marquette, Michigan
Son, age 10
Marquette, Michigan · implied b. ~1910 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Leonard L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Marquette, Michigan
Son, age 20
Marquette, Michigan · implied b. ~1910 — 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 | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Occupation | Surface laborer |
| Industry | Iron mine |
| 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 31
Marquette-County, Michigan · implied b. ~1909 — 4 household members
| Surname | Anderson |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Negaunee city |
| 1935 Residence (County) | Marquette |
| Occupation | Motorman on Trestle |
| Industry | Iron Ore Mine |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Leonard Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Leander Anderson (~0.92 confidence) and mother Anna Anderson (~0.92 confidence) and mother Anna Anderson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Leander Anderson
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Anna Anderson
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Anna Anderson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leonard Anderson
Son · 1940 · age 31 · b. ~1909 · Michigan
★ You are viewing this record
Sibling
Elias Anderson
Sibling · 1940 · age 34
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-t0627-01787-00390)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Roberts | 60 | Head | Caretaker | England |
| 2 | Minnie Roberts | 58 | Wife | — | Canada-English |
| 3 | J. Leslie Roberts | 24 | Son | Truck-Driver | Michigan |
| 4 | Neil Roberts | 20 | Son | — | Michigan |
| 5 | Irene Macneil | 10 | Niece | — | Michigan |
| 6 | Eugene Fithier | 74 | Head | Laborer | New York |
| 7 | Ida Fithier | 71 | Wife | — | Michigan |
| 8 | Glenn R. Donaldson | 34 | Son-in-law | Manager | Michigan |
| 9 | Jeanne E. Donaldson | 32 | Daughter | — | Michigan |
| 10 | William E. Hanlen | 37 | Roomer | Project Supt. | Wisconsin |
| 11 | George M. Lyon | 23 | Roomer | Project Engineer | Wisconsin |
| 12 | Elwin C. Jepson | 24 | Roomer | Project Helper | Wisconsin |
| 13 | George Neumann | 46 | Head | District Manager | Wisconsin |
| 14 | Anne Neumann | 38 | Wife | — | Michigan |
| 15 | Elizabeth Neumann | 14 | Daughter | — | Michigan |
| 16 | Barbara Neumann | 12 | Daughter | — | Michigan |
| 17 | Sidney Neumann | 10 | Son | — | Michigan |
| 18 | Dominic L. Bogetto | 29 | Head | Insurance Solicitor | Michigan |
| 19 | Josephine Bogetto | 25 | Wife | — | Michigan |
| 20 | James D. Bogetto | 1 | Son | — | Michigan |
| 21 | Noah Harge | 63 | Head | Shift-Boss | England |
| 22 | Matilda Harge | 58 | Wife | — | England |
| 23 | William Argall | 69 | Head | Building Estimator | England |
| 24 | Marion Argall | 69 | Wife | — | Michigan |
| 25 | John Manning | 78 | Head | Manager | Michigan |
| 26 | Isabel Manning | 69 | Wife | — | Michigan |
| 27 | Howard J. Manning | 42 | Son | Manager | Michigan |
| 28 | Enoch Vincent | 49 | Head | Pumpman | England |
| 29 | Lily Vincent | 46 | Wife | — | Michigan |
| 30 | Doris Vincent | 15 | Daughter | — | Michigan |
| 31 | Leander Anderson | 61 | Head | Lamp Tender | Finland |
| 32 | Anna Anderson | 61 | Wife | — | Finland |
| 33 | Elias Anderson | 34 | Son | Laborer | Michigan |
| 34 | Leonard Anderson THIS PERSON | 31 | Son | Motorman On Trestle | Michigan |
| 35 | Anna Ollila | 78 | Head | — | Finland |
| 36 | Gust Makela | 52 | Head | Laborer | Finland |
| 37 | Hilma Makela | 49 | Wife | Cook | Finland |
| 38 | Viano Makela | 14 | Daughter | — | Michigan |
| 39 | Abel Levine | 63 | Head | Manager | Poland |
| 40 | Charlotte Levine | 26 | Daughter | — | Michigan |
Pedigree Summary
Leonard + 1 sibling
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 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)