DM
David Morgan — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Clair-County, Illinois
Our Model Tree links this David Morgan across the 1920, 1930 and 1940 US Censuses in St.-Clair-County, Illinois (XGBoost, ~Confirmed), with identified parents David & David — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Illinois |
| Surname | Morgan |
| Given Name | David Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | East St. Louis City |
| 1935 Residence (County) | St. Clair |
| Additional Details | |
| Class of Worker | No |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | East St Louis City |
| Est. Birth Year | ~1918 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| David Morgan | Head | — | 45 | ~1895 |
| David Morgan | Son | — | 22 | ~1918 |
| June Morgan | Daughter | — | 19 | ~1921 |
| Mary Morgan | Spouse | — | 43 | ~1897 |
| Betty Morgan | Daughter | — | 13 | ~1927 |
Census Appearances
1920
St Clair, …
Son, age 2
St Clair, Illinois · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morgan |
| Given Name | David R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
St Clair, …
Son, age 12
St Clair, Illinois · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morgan |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
St.-Clair-County, Illinois
Son, age 22
St.-Clair-County, Illinois · implied b. ~1918 — 5 household members
| Surname | Morgan |
| Given Name | David Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | East St. Louis City |
| 1935 Residence (County) | St. Clair |
| Class of Worker | No |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 David Morgan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father David Morgan (~0.92 confidence) and father David Morgan (~0.92 confidence) and mother Mary Morgan (~0.92 confidence) and mother Mary Morgan (~0.92 confidence) and mother Mary Morgan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
David Morgan
b. ~1895
Source father
● Household
· direct · ~0.92
Father
David Morgan
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Mary Morgan
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Mary Morgan
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Mary Morgan
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Morgan
Son · 1940 · age 22 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Betty Morgan
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
June Morgan
Sibling · 1940 · age 19
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 — St.-Clair-County, Illinois
Open full size
1940 US Federal Census — St.-Clair-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00881-00148)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Adkins | 43 | Head | Laborer | Missouri |
| 2 | Rose Adkins | 44 | Wife | Paper Cleaner | Illinois |
| 3 | Lenora Walden | 25 | Head | Truck Driving | Indiana |
| 4 | Patricia Walden | 8 | Daughter | — | Illinois |
| 5 | Donald Walden | 6 | Son | — | Illinois |
| 6 | Jerry Walden | 5 | Son | — | Illinois |
| 7 | David Morgan | 45 | Head | Barber | Illinois |
| 8 | Mary Morgan | 43 | Wife | — | Missouri |
| 9 | David Jr. Morgan THIS PERSON | 22 | Son | — | Illinois |
| 10 | June Morgan | 19 | Daughter | — | Illinois |
| 11 | Betty Morgan | 13 | Daughter | — | Illinois |
| 12 | Daisy Burnett | 61 | Head | — | Illinois |
| 13 | Robert Burnett | 34 | Son | — | Missouri |
| 14 | Svenne Thimsen | 51 | Head | Letter Carrier | Denmark |
| 15 | Hannah Thimsen | 45 | Wife | — | Illinois |
| 16 | Udell Thimsen | 24 | Son | — | Illinois |
| 17 | Hazel Holliday | 41 | Head | Floor Lady | Illinois |
| 18 | James Holliday | 16 | Son | — | Canada |
| 19 | John Dempsey | 74 | Head | — | Kentucky |
| 20 | George Bevis | 59 | Head | Laborer | Illinois |
| 21 | Mary Bevis | 48 | Wife | — | Kansas |
| 22 | George Jr. Bevis | 15 | Son | — | Illinois |
| 23 | Walter Schintz | 49 | Head | Laborer | Illinois |
| 24 | Bernard La Blanc | 39 | Head | Laborer | Illinois |
| 25 | Margaret La Blanc | 35 | Wife | — | Illinois |
| 26 | Bernard Jr. La Blanc | 15 | Son | — | Illinois |
| 27 | George La Blanc | 12 | Son | — | Illinois |
| 28 | Fredrick La Blanc | 6 | Son | — | Illinois |
| 29 | Robert La Blanc | 3 | Son | — | Illinois |
| 30 | Virginia La Blanc | 2 | Daughter | — | Illinois |
| 31 | Alice Morris | 42 | Head | — | Illinois |
| 32 | Bernice Gargas | 12 | Niece | — | Illinois |
| 33 | Herman Gargas | 10 | Nephew | — | Illinois |
| 34 | Cecil Wiley | 52 | Head | Salesman | Illinois |
| 35 | Elizabeth Wiley | 50 | Wife | — | Illinois |
| 36 | Robert Davis | 22 | Head | Truck Driver | Illinois |
| 37 | Stella Davis | 20 | Wife | — | Illinois |
| 38 | Dorothy Davis | 4 | Daughter | — | Illinois |
| 39 | Nancy Davis | 2 | Daughter | — | Illinois |
| 40 | Loydie Price | 72 | Head | — | Illinois |
Pedigree Summary
David + 2 siblings
Gen 1 · 5 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)