JC
James Conway — 1940 US Census Record
Model Tree available1940 United States Federal Census · Big-Stone-County, Minnesota
Our Model Tree links this James Conway across the 1920, 1930 and 1940 US Censuses in Big-Stone-County, Minnesota (XGBoost, ~Confirmed), with identified parents George & Mary — first a son (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Big-Stone-County, Minnesota |
| Surname | Conway |
| Given Name | James D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Big Stone |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | PW |
| Income (1939) | 38 |
| Highest Grade | No 8 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farm Laborer |
| Township / Ward | Beardsley Village |
| Est. Birth Year | ~1912 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Anna Conway | Daughter | — | 20 | ~1920 |
| Mary Conway | Head | — | 58 | ~1882 |
| Cecily Roner | Other | — | 68 | ~1872 |
| James Conway | Son | — | 28 | ~1912 |
Census Appearances
1920
Big Stone, …
Son, age 7
Big Stone, Minnesota · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conway |
| Given Name | James D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Big Stone, …
Son, age 17
Big Stone, Minnesota · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conway |
| Given Name | James D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Big-Stone-County, Minnesota
Son, age 28
Big-Stone-County, Minnesota · implied b. ~1912 — 4 household members
| Surname | Conway |
| Given Name | James D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Big Stone |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | PW |
| Income (1939) | 38 |
| Highest Grade | No 8 |
| 1935 Residence | Minnesota |
| 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 James Conway across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Conway (~0.92 confidence) and mother Mary Conway (~0.92 confidence) and mother Mae Conway (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Conway
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Mary Conway
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Mae Conway
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Conway
Son · 1940 · age 28 · b. ~1912 · Minnesota
★ You are viewing this record
Sibling
Anna Conway
Sibling · 1940 · age 20
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 — Big-Stone-County, Minnesota
Open full size
1940 US Federal Census — Big-Stone-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01907-00528)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edith Stauer | 46 | Neice | Housework | Germany |
| 2 | Jennie A. Stauer | 12 | Great Neice | — | Minnesota |
| 3 | William Grellman | 31 | Head | Shovel Gravel | Minnesota |
| 4 | Mary D. Grellman | 25 | Wife | Seamstress | Minnesota |
| 5 | John G. Balluff | 7 | Son | — | Minnesota |
| 6 | Eugene G. Balluff | 7 | Son | — | Minnesota |
| 7 | Anna M. Holden | 53 | Head | — | Iowa |
| 8 | Thomas Holden | 25 | Son | Operator Gas Station | South Dakota |
| 9 | Joseph Holden | 18 | Son | Driver Truck | South Dakota |
| 10 | Mary C. Conway | 58 | Head | Seamstress | Minnesota |
| 11 | James D. Conway THIS PERSON | 28 | Son | Farm Laborer | Minnesota |
| 12 | Anna M. Conway | 20 | Daughter | Telephone Operator | Minnesota |
| 13 | Cecily Roner | 68 | Lodger | Housework | Canada English |
| 14 | Reuben S. Wallin | 34 | Head | Operator Lumber Yard | Minnesota |
| 15 | Marge E. Wallin | 26 | Wife | — | Minnesota |
| 16 | Mary L. Wallin | 9 | Cousin | — | Minnesota |
| 17 | Philip J. Mckenney | 43 | Head | Rural Mail Carrier | Minnesota |
| 18 | Caroline M. Mckenney | 40 | Wife | — | Minnesota |
| 19 | Thomas E. Mckenney | 15 | Son | — | Minnesota |
| 20 | Roger J. Mckenney | 13 | Son | — | Minnesota |
| 21 | Philip J. Mckenney | 7 | Son | — | Minnesota |
| 22 | Anne Mckenney | 1 | Daughter | — | Minnesota |
| 23 | Mathias O. Amelin | 69 | Head | Shovel Gravel | Norway |
| 24 | Anna B. Amelin | 62 | Wife | Seamstress | Norway |
| 25 | Adelaide M. Amelin | 20 | Daughter | Seamstress | Minnesota |
| 26 | Louis J. Grandeur | 29 | Head | Filling Station Attendant | Minnesota |
| 27 | Daniel D. O'Leary | 58 | Head | Selling Life Insurance | Minnesota |
| 28 | Josephine E. O'Leary | 50 | Wife | — | Minnesota |
| 29 | Doris J. O'Leary | 19 | Daughter | Relief Operator | Minnesota |
| 30 | Daniel S. O'Leary | 16 | Son | — | Minnesota |
| 31 | Julius A. Ragus | 53 | Head | Filling Station Attendant | Germany |
| 32 | Sophia M. Ragus | 48 | Wife | — | Minnesota |
| 33 | Erwin A. Ragus | 25 | Son | Filling Station Attendant | Minnesota |
| 34 | Deloris J. Ragus | 15 | Daughter | — | Minnesota |
| 35 | Richard L. Ragus | 7 | Son | — | Minnesota |
| 36 | Bernard F. Stelter | 43 | Head | Auto Mechanic | Minnesota |
| 37 | Marie D. Stelter | 37 | Wife | — | Iowa |
| 38 | Clayton E. Stelter | 7 | Son | — | Iowa |
| 39 | William J. Kirkey | 54 | Head | Barbering | Minnesota |
| 40 | Madline Kirkey | 54 | Wife | — | Iowa |
Pedigree Summary
James + 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)