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Mary Morrow — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mclennan-County, Texas
Our Model Tree links this Mary Morrow across the 1930 and 1940 US Censuses in Mclennan-County, Texas (XGBoost, ~Confirmed) — first a daughter (b.~1910), then head of a 7-person household.
Age 30
b. ~1910
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mclennan-County, Texas |
| Surname | Morrow |
| Given Name | Mary Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Waco city |
| 1935 Residence (County) | McLennan |
| Additional Details | |
| Industry | 720 |
| Hours Worked | 44 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Waco City |
| Est. Birth Year | ~1910 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Edwin Morrow | Son | — | 18 | ~1922 |
| Tom Morrow | Son | — | 28 | ~1912 |
| Edwin Morrow | Head | — | 66 | ~1874 |
| Chas Morrow | Son | — | 17 | ~1923 |
| Julia Morrow | Daughter | — | 16 | ~1924 |
| Mary Morrow | Daughter | — | 30 | ~1910 |
| Mary Morrow | Spouse | — | 56 | ~1884 |
Census Appearances
1930
Mclennan, Texas
Daughter, age 20
Mclennan, Texas · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morrow |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mclennan-County, Texas
Daughter, age 30
Mclennan-County, Texas · implied b. ~1910 — 7 household members
| Surname | Morrow |
| Given Name | Mary Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Waco city |
| 1935 Residence (County) | McLennan |
| Industry | 720 |
| Hours Worked | 44 |
| Highest Grade | H-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 Mary Morrow across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Morrow
Daughter · 1940 · age 30 · b. ~1910 · Texas
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Sibling
Edwin Morrow
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Tom Morrow
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Chas Morrow
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Morrow
Sibling · 1940 · age 16
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 — Mclennan-County, Texas
Open full size
1940 US Federal Census — Mclennan-County, Texas
Page Contents
12 people indexed on this census page (nara:1940:m-t0627-04100-00051)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edwin J. Morrow | 66 | Head | Conductor | Indiana |
| 2 | Mary E. Morrow | 56 | Wife | — | Illinois |
| 3 | Mary Ellen Morrow THIS PERSON | 30 | Daughter | — | Illinois |
| 4 | Tom E. Morrow | 28 | Son | — | Illinois |
| 5 | Julia Ann Morrow | 16 | Daughter | — | Texas |
| 6 | Edwin J. Jr. Morrow | 18 | Son | Works In Garage | Texas |
| 7 | Chas. Morrow | 17 | Son | Clerk | Texas |
| 8 | Fayette E. Randell | 64 | Head | Salesman | Texas |
| 9 | Ola R. Randell | 64 | Wife | Saleslady | Texas |
| 10 | Ella Patterson | 85 | Mother-in-law | — | Texas |
| 11 | Arvel James Hall | 36 | Head | Salesman | Texas |
| 12 | Katherine V. Hall | 34 | Wife | Book Keeper | Texas |
Related Census Records
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)