JM
James Mack — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mclennan-County, Texas
Our Model Tree links this James Mack across the 1930 and 1940 US Censuses in Mclennan-County, Texas (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Male
Son
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mclennan-County, Texas |
| Surname | Mack |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | J. P. 8 |
| 1935 Residence (County) | McLennan |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 888 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Laborer |
| Township / Ward | J P 8 |
| Est. Birth Year | ~1921 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Frank Mack | Head | — | 60 | ~1880 |
| Elizabeth Mack | Daughter | — | 13 | ~1927 |
| Lillie Mack | Daughter | — | 16 | ~1924 |
| Millie Mack | Daughter | — | 20 | ~1920 |
| John Mack | Son | — | 27 | ~1913 |
| James Mack | Son | — | 19 | ~1921 |
| Mary Mack | Spouse | — | 55 | ~1885 |
| Bertha Mack | Daughter | — | 11 | ~1929 |
Census Appearances
1930
Mclennan, Texas
Son, age 8
Mclennan, Texas · implied b. ~1922 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | James T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Mclennan-County, Texas
Son, age 19
Mclennan-County, Texas · implied b. ~1921 — 8 household members
| Surname | Mack |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | J. P. 8 |
| 1935 Residence (County) | McLennan |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 888 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 Mack across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mack
Son · 1940 · age 19 · b. ~1921 · Texas
★ You are viewing this record
Sibling
Bertha Mack
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Millie Mack
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillie Mack
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mack
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Mack
Sibling · 1940 · age 13
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
40 people indexed on this census page (nara:1940:m-t0627-04101-00896)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Betty Sue Mclennan | 7 | Daughter | — | Texas |
| 2 | Carla Lee Mclennan | 3 | Daughter | — | Texas |
| 3 | J. B. Whisenant | 53 | Head | Cattle Feeding | Texas |
| 4 | Emma Whisenant | 52 | Wife | — | Texas |
| 5 | Virgil Whisenant | 20 | Son | N.Y.A. | Texas |
| 6 | Cleo Whisenant | 16 | Son | Laborer | Texas |
| 7 | Dorothy Whisenant | 9 | Daughter | — | Texas |
| 8 | C. C. Queen | 58 | Head | Laborer | Louisiana |
| 9 | Della Queen | 54 | Wife | — | Texas |
| 10 | Eugene Queen | 19 | Son | Laborer | Texas |
| 11 | Roy Queen | 21 | Son | — | Texas |
| 12 | Loyd Queen | 17 | Son | — | Texas |
| 13 | A. J. Queen | 12 | Son | — | Texas |
| 14 | Clyde Hurst | 37 | Head | Farmer | Texas |
| 15 | Noma Hurst | 37 | Wife | — | Texas |
| 16 | Nancy Hurst | 9 | Daughter | — | Texas |
| 17 | Clyde Hurst | 6 | Son | — | Texas |
| 18 | Wayne Hurst | 3 | Son | — | Texas |
| 19 | Homer Hurst | 1 | Son | — | Texas |
| 20 | Essie Battems | 34 | Head | Housekeeper | Texas |
| 21 | Billy Ray Battems | 11 | Son | — | Texas |
| 22 | James Wesley Battems | 10 | Son | — | Texas |
| 23 | Mattie Jo Battems | 7 | Daughter | — | Texas |
| 24 | Patsy Ruth Battems | 4 | Daughter | — | Texas |
| 25 | D. P. Norman | 43 | Head | Farmer | Arkansas |
| 26 | Elsie Norman | 35 | Wife | — | Texas |
| 27 | G. B. Norman | 66 | Head | Farmer | Louisiana |
| 28 | Emma Norman | 62 | Wife | — | Arkansas |
| 29 | Frank J. Mack | 60 | Head | Farmer | Czech Slov |
| 30 | Mary Mack | 55 | Wife | — | Texas |
| 31 | John Mack | 27 | Son | Laborer | Texas |
| 32 | Millie Mack | 20 | Daughter | — | Texas |
| 33 | James Mack THIS PERSON | 19 | Son | Laborer | Texas |
| 34 | Lillie Mack | 16 | Daughter | — | Texas |
| 35 | Elizabeth Mack | 13 | Daughter | — | Texas |
| 36 | Bertha Mack | 11 | Daughter | — | Texas |
| 37 | Mary Bartosh | 34 | Head | — | Texas |
| 38 | John Bartosh | 11 | Son | — | Texas |
| 39 | William Bartosh | 8 | Son | — | Texas |
| 40 | Adolph Bartosh | 6 | Son | — | Texas |
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)