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Mary Phelps — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wabash-County, Illinois
Our Model Tree links this Mary Phelps across the 1930 and 1940 US Censuses in Wabash-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 13-person household.
Age 16
b. ~1924
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wabash-County, Illinois |
| Surname | Phelps |
| Given Name | Mary Lou |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Mt. Carmel |
| 1935 Residence (County) | Wabash |
| Additional Details | |
| Occupation | Waitress |
| Industry | Clothing Fac |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Waitress |
| Township / Ward | Mt Carmel |
| Est. Birth Year | ~1924 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Anna Phelps | Daughter | — | 20 | ~1920 |
| Betty Phelps | Daughter | — | 8 | ~1932 |
| William Phelps | Son | — | 5 | ~1935 |
| Vivian Phelps | Daughter | — | 19 | ~1921 |
| Delbert Phelps | Son | — | 2 | ~1938 |
| Gilbert Phelps | Son | — | 23 | ~1917 |
| Mary Phelps | Daughter | — | 16 | ~1924 |
| Donald Phelps | Daughter | — | 15 | ~1925 |
| Patricia Phelps | Daughter | — | 4 | ~1936 |
| Robert Phelps | Son | — | 17 | ~1923 |
| Ida Phelps | Spouse | — | 43 | ~1897 |
| Wilma Phelps | Daughter | — | 13 | ~1927 |
| Grover Phelps | Head | — | 46 | ~1894 |
Census Appearances
1930
Wabash, Illinois
Daughter, age 5
Wabash, Illinois · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Phelps |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Wabash-County, Illinois
Daughter, age 16
Wabash-County, Illinois · implied b. ~1924 — 13 household members
| Surname | Phelps |
| Given Name | Mary Lou |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Mt. Carmel |
| 1935 Residence (County) | Wabash |
| Occupation | Waitress |
| Industry | Clothing Fac |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| 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 Mary Phelps across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Phelps
Daughter · 1940 · age 16 · b. ~1924 · Illinois
★ You are viewing this record
Sibling
Delbert Phelps
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilma Phelps
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Phelps
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gilbert Phelps
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Phelps
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vivian Phelps
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Phelps
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Phelps
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Phelps
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Phelps
Sibling · 1940 · age 4
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 — Wabash-County, Illinois
Open full size
1940 US Federal Census — Wabash-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00900-00161)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Delores Lucas | 9 | daughter | — | Illinois |
| 42 | Leo Berburke | 46 | head | Street Dept | Illinois |
| 43 | Francis Berburke | 36 | wife | — | Illinois |
| 44 | Zelia Berburke | 22 | daughter | Office Work | Illinois |
| 45 | Virginia Berburke | 19 | daughter | Office Work | Illinois |
| 46 | Noble Leek | 47 | head | Clerk | Illinois |
| 47 | Francis Leek | 45 | wife | — | Illinois |
| 48 | Gertrude Leek | 25 | daughter | — | Illinois |
| 49 | Prentice Leek | 25 | son-law | Mechanic | Indiana |
| 50 | John William Leek | 19 | son | Waiter | Illinois |
| 51 | Martin Malone | 69 | head | — | Illinois |
| 52 | Lula Malone | 64 | wife | — | Kentucky |
| 53 | Kelsey Amanda Malone | 67 | boarder | — | Illinois |
| 54 | F. J. Bastnagle | 50 | head | Fireman | Indiana |
| 55 | Gertrude Bastnagle | 49 | wife | — | Indiana |
| 56 | Mary Eliz Bastnagle | 19 | daughter | Office Girl | Illinois |
| 57 | Margaret Bastnagle | 15 | daughter | — | Illinois |
| 58 | William Bastnagle | 13 | son | — | Illinois |
| 59 | Ellen Esther Bastnagle | 11 | daughter | — | Illinois |
| 60 | Oscar Williamson | 52 | head | Finish Cement | Indiana |
| 61 | Marcella Williamson | 43 | wife | — | Illinois |
| 62 | John Williamson | 8 | daughter | — | Illinois |
| 63 | Ruby Miller | 40 | head | — | Illinois |
| 64 | Hazel Freida Miller | 23 | daughter | Winder | Illinois |
| 65 | Esker G. Smith | 42 | lodger | Machinist | Kentucky |
| 66 | Victor Seibert | 73 | head | — | Illinois |
| 67 | Mary Seibert | 69 | wife | — | Illinois |
| 68 | Grover Phelps | 46 | head | Laborer | Kentucky |
| 69 | Ida Phelps | 43 | wife | — | Illinois |
| 70 | Gilbert E. Phelps | 23 | son | Stock Clerk | Illinois |
| 71 | Anna Phelps | 20 | daughter | Handwork | Illinois |
| 72 | Vivian Phelps | 19 | daughter | Machinist | Illinois |
| 73 | Robert Phelps | 17 | son | — | Illinois |
| 74 | Mary Lou Phelps THIS PERSON | 16 | daughter | Waitress | Illinois |
| 75 | Donald Phelps | 15 | daughter | — | Illinois |
| 76 | Wilma Phelps | 13 | daughter | — | Illinois |
| 77 | Betty Lou Phelps | 8 | daughter | — | Illinois |
| 78 | William Phelps | 5 | son | — | Illinois |
| 79 | Patricia Phelps | 4 | daughter | — | Illinois |
| 80 | Delbert Phelps | 2 | son | — | Illinois |
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)