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Lawrence Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dodge-County, Minnesota
Our Model Tree links this Lawrence Martin across the 1920, 1930 and 1940 US Censuses in Dodge-County, Minnesota (XGBoost, ~Confirmed), with identified parents Nels & Ansophia — first a son (b.~1907), then head of a 9-person household.
Age 33
b. ~1907
Male
Son
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Dodge-County, Minnesota |
| Surname | Martin |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Claremont |
| 1935 Residence (County) | Dodge |
| Additional Details | |
| Occupation | Farm-laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 35 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farm-Laborer |
| Township / Ward | Claremont |
| Est. Birth Year | ~1907 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lawrence | Age | Birth yr |
|---|---|---|---|---|
| Clarence Martin | Son | — | 38 | ~1902 |
| Nels Martin | Head | — | 75 | ~1865 |
| Edwin Martin | Son | — | 40 | ~1900 |
| Roland Martin | Other | — | 7 | ~1933 |
| Willard Martin | Other | — | 4 | ~1936 |
| Lawrence Martin | Son | — | 33 | ~1907 |
| Dorothy Martin | Other | — | 23 | ~1917 |
| Albert Martin | Son | — | 48 | ~1892 |
| Sophia Martin | Spouse | — | 70 | ~1870 |
Census Appearances
1920
Dodge, Minnesota
Son, age 13
Dodge, Minnesota · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Lawrence L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Dodge, Minnesota
Son, age 23
Dodge, Minnesota · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Lawrence W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Dodge-County, Minnesota
Son, age 33
Dodge-County, Minnesota · implied b. ~1907 — 9 household members
| Surname | Martin |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Claremont |
| 1935 Residence (County) | Dodge |
| Occupation | Farm-laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 35 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Lawrence Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Nels Martin (~0.92 confidence) and mother Ansophia Martin (~0.92 confidence) and mother Sophia Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nels Martin
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Ansophia Martin
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Sophia Martin
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lawrence Martin
Son · 1940 · age 33 · b. ~1907 · Minnesota
★ You are viewing this record
Sibling
Albert Martin
Sibling · 1940 · age 48
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edwin Martin
Sibling · 1940 · age 40
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Martin
Sibling · 1940 · age 38
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 — Dodge-County, Minnesota
Open full size
1940 US Federal Census — Dodge-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01919-00047)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Evelyn Holliday | 2 | Daughter | — | Minnesota |
| 42 | Rosa E. Miller | 63 | Mother-in-law | — | Illinois |
| 43 | W. P. Mann | 75 | Head | Farmer | Minnesota |
| 44 | Lottie Mann | 71 | Wife | — | Iowa |
| 45 | Alfred M. Petersburg | 42 | Head | Farmer | Iowa |
| 46 | Alma Petersburg | 34 | Wife | — | Iowa |
| 47 | Duane Petersburg | 14 | Son | — | Iowa |
| 48 | Richard Petersburg | 13 | Son | — | Iowa |
| 49 | Donald Petersburg | 11 | Son | — | Iowa |
| 50 | Herbert Bragloff | 35 | Head | Farmer | Iowa |
| 51 | Elma Bragloff | 28 | Wife | — | Minnesota |
| 52 | Alice Bragloff | 5 | Daughter | — | Minnesota |
| 53 | Bernard Bragloff | 3 | Son | — | Minnesota |
| 54 | Kenneth Perry | 32 | Head | Farm-Laborer | Minnesota |
| 55 | Minnie Perry | 27 | Wife | — | Minnesota |
| 56 | Fred Perry | 74 | Head | Farmer | New Hampshire |
| 57 | Lettie Perry | 70 | Wife | — | Minnesota |
| 58 | Lillian Taylor | 25 | Hired-girl | Housekeeper | Minnesota |
| 59 | Roy Sanders | 42 | Head | Farmer | Illinois |
| 60 | Ida Sanders | 40 | Wife | — | Illinois |
| 61 | Ralph Hodgman | 42 | Head | Farmer | Minnesota |
| 62 | Helen Hodgman | 36 | Wife | — | Minnesota |
| 63 | Edward Kidder | 47 | Head | Farmer | Minnesota |
| 64 | Lura Kidder | 45 | Wife | — | Minnesota |
| 65 | Edward Jr. Kidder | 19 | Son | — | Minnesota |
| 66 | Frank Kidder | 15 | Son | — | Minnesota |
| 67 | Audrey Kidder | 13 | Daughter | — | Minnesota |
| 68 | Richard O'Brien | 13 | Nephew | — | Minnesota |
| 69 | Merritt O'Brien | 7 | Nephew | — | Minnesota |
| 70 | Nels P. Martin | 75 | Head | Farmer | Denmark |
| 71 | Sophia Martin | 70 | Wife | — | Denmark |
| 72 | Albert Martin | 48 | Son | Machine Operator | Minnesota |
| 73 | Edwin Martin | 40 | Son | Farm-Laborer | Minnesota |
| 74 | Clarence Martin | 38 | Son | Farmer | Minnesota |
| 75 | Lawrence Martin THIS PERSON | 33 | Son | Farm-Laborer | Minnesota |
| 76 | Dorothy Martin | 23 | Daughter-in-law | — | Minnesota |
| 77 | Roland Martin | 7 | Grandson | — | Minnesota |
| 78 | Willard Martin | 4 | Grandson | — | Minnesota |
| 79 | Harry Martin | 42 | Head | Farmer | Minnesota |
| 80 | Gladys Martin | 40 | Wife | — | Illinois |
Related Census Records
Pedigree Summary
Lawrence + 3 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 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)