JL
James Lee — 1940 US Census Record
Model Tree available1940 United States Federal Census · Boone-County, Iowa
Our Model Tree links this James Lee across the 1920, 1930 and 1940 US Censuses in Boone-County, Iowa (XGBoost, ~Confirmed), with identified parents James & James — first a head (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Boone-County, Iowa |
| Surname | Lee |
| Given Name | James D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Boone City |
| 1935 Residence (County) | Boone |
| Additional Details | |
| Occupation | Assistant Surveyor |
| Industry | WPA |
| Class of Worker | GW |
| Hours Worked | 3 |
| Income (1939) | 42 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Assistant Surveyor |
| Township / Ward | Boone City |
| Est. Birth Year | ~1916 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Jean Bostons | Daughter | — | 1 | ~1939 |
| James Lee | Head | — | 24 | ~1916 |
| Lois Lee | Spouse | — | 20 | ~1920 |
Census Appearances
1920
Boone, Iowa
Son, age 4
Boone, Iowa · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | James D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Washington |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Boone, Iowa
Son, age 14
Boone, Iowa · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | James D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Washington |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Boone-County, Iowa
Head, age 24
Boone-County, Iowa · implied b. ~1916 — 3 household members
| Surname | Lee |
| Given Name | James D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Boone City |
| 1935 Residence (County) | Boone |
| Occupation | Assistant Surveyor |
| Industry | WPA |
| Class of Worker | GW |
| Hours Worked | 3 |
| Income (1939) | 42 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Lee across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Lee (~0.92 confidence) and father James Lee (~0.92 confidence) and mother Maud Lee (~0.92 confidence) and mother Maud Lee (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Lee
b. ~1888
Source father
● Household
· direct · ~0.92
Father
James Lee
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Maud Lee
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Maud Lee
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Lee
Head · 1940 · age 24 · b. ~1916 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Boone-County, Iowa
Open full size
1940 US Federal Census — Boone-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01141-00413)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Louis Deitrick | 36 | Head | No No No No | Iowa |
| 42 | Leona Deitrick | 33 | Wife | — | Illinois |
| 43 | Jeanne Deitrick | 8 | Daughter | — | Illinois |
| 44 | Ross Provitt | 75 | Head | — | Iowa |
| 45 | Mary Provitt | 77 | Wife | — | Iowa |
| 46 | Eunice Provitt | 38 | Daughter | Adviser | Iowa |
| 47 | Dan Blanchard | 50 | Head | Linotype | Iowa |
| 48 | Eva Blanchard | 46 | Wife | — | Wyoming |
| 49 | Donna Mae Blanchard | 9 | Daughter | — | Iowa |
| 50 | Earl H. Payne | 46 | Head | Mill Worker | Iowa |
| 51 | Lois Payne | 42 | Wife | — | Iowa |
| 52 | Leona Payne | 5 | Daughter | — | Iowa |
| 53 | Eleanor Sanders | 70 | Head | — | Illinois |
| 54 | William Sanders | 63 | Brother | Part Time Janitor | Illinois |
| 55 | Mary Rodey | 69 | Sister | — | Illinois |
| 56 | Carl Frances Thie | 50 | Head | Proprietor | Iowa |
| 57 | August Ed Peters | 49 | Head | Repairman | Iowa |
| 58 | Hazel Peters | 48 | Wife | — | Iowa |
| 59 | Gerald Peters | 22 | Son | Truck Driver | Iowa |
| 60 | Don Peters | 18 | Son | — | Iowa |
| 61 | Beverly Lou Peters | 7 | Daughter | — | Iowa |
| 62 | Preston Parks | 64 | Head | Section Foreman | Missouri |
| 63 | Lorna Parks | 62 | Wife | — | Missouri |
| 64 | Charles Huey | 59 | Head | Street Foreman | Iowa |
| 65 | Effa Huey | 53 | Wife | — | Iowa |
| 66 | Lois Huey | 14 | Daughter | — | Iowa |
| 67 | Alva W. Price | 29 | Head | Drink Projectionist | Iowa |
| 68 | Esther Price | 22 | Wife | — | Iowa |
| 69 | Lois Price | 1 | Daughter | — | Iowa |
| 70 | Clyde Moore | 38 | Head | Bridge Carpenter | Iowa |
| 71 | Lillian Moore | 41 | Wife | — | Minnesota |
| 72 | Mary Moore | 14 | Daughter | — | Iowa |
| 73 | Henry C. Cameron | 50 | Head | Janitor | Iowa |
| 74 | Addie C. Cameron | 50 | Wife | — | Iowa |
| 75 | Leonard Cameron | 16 | Son | — | Iowa |
| 76 | James D. Lee THIS PERSON | 24 | Head | Assistant Surveyor | Iowa |
| 77 | Lois Lee | 20 | Wife | — | Iowa |
| 78 | Jean Bostons | 1 | Daughter | — | Iowa |
| 79 | Charles Cox | 26 | Head | Miner | Iowa |
| 80 | Alice Cox | 24 | Wife | — | Iowa |
Pedigree Summary
James
Gen 1 · 4 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)