MW
Mary Warner — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lancaster-County, Pennsylvania
Our Model Tree links this Mary Warner across the 1920, 1930 and 1940 US Censuses in Lancaster-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Charles & Lydia — first a spouse (b.~1911), then head of a 3-person household.
Age 29
b. ~1911
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lancaster-County, Pennsylvania |
| Surname | Warner |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Lancaster |
| 1935 Residence (County) | Lancaster |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Fulton Twp |
| Est. Birth Year | ~1911 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Harry Warner | Head | — | 31 | ~1909 |
| Richard Warner | Son | — | 5 | ~1935 |
| Mary Warner | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Lancaster, Pennsylvania
Daughter, age 7
Lancaster, Pennsylvania · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Warner |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lancaster, Pennsylvania
Daughter, age 18
Lancaster, Pennsylvania · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Werner |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Stitcher |
| Industry | Shoe factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lancaster-County, Pennsylvania
Spouse, age 29
Lancaster-County, Pennsylvania · implied b. ~1911 — 3 household members
| Surname | Warner |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Lancaster |
| 1935 Residence (County) | Lancaster |
| Highest Grade | Hs 1 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Warner across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Warner (~0.92 confidence) and mother Lydia Warner (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Warner
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Lydia Warner
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Warner
Spouse · 1940 · age 29 · b. ~1911 · Pennsylvania
★ 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 — Lancaster-County, Pennsylvania
Open full size
1940 US Federal Census — Lancaster-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03530-00289)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Howard E La Rue | 6 | Son | — | Maryland |
| 2 | Sylvester E La Rue | 16 | Son | — | Pennsylvania |
| 3 | Richard T La Rue | 1 | Son | — | Maryland |
| 4 | Joseph J La Rue | 3 | Son | — | Maryland |
| 5 | Philip W Giffin | 42 | Head | Farmer | Pennsylvania |
| 6 | Mary P Giffin | 50 | Wife | — | Pennsylvania |
| 7 | C. Ambrose Giffin | 21 | Son | Farm Laborer | Pennsylvania |
| 8 | Sara L Giffin | 20 | Daughter | — | Pennsylvania |
| 9 | Nora D Spence | 82 | Mother-in-law | — | Pennsylvania |
| 10 | Harry Warner | 31 | Head | Farm Laborer | Pennsylvania |
| 11 | Mary E Warner THIS PERSON | 29 | Wife | — | Pennsylvania |
| 12 | Richard R Warner | 5 | Son | — | Pennsylvania |
| 13 | Kenneth M Wruck | 23 | Head | Farm Laborer | Pennsylvania |
| 14 | Mary R Wruck | 19 | Wife | — | Pennsylvania |
| 15 | D. Joan Wruck | 2 | Daughter | — | Pennsylvania |
| 16 | Granville H Hershour | 39 | Head | Farmer | Pennsylvania |
| 17 | Esther S Hershour | 30 | Wife | — | Pennsylvania |
| 18 | Hazel M Hershour | 5 | Daughter | — | Pennsylvania |
| 19 | Aldus G Fite | 60 | Head | Cattle Dealer | Pennsylvania |
| 20 | Sydney W Fite | 59 | Wife | — | Pennsylvania |
| 21 | Adrian T Fite | 29 | Daughter | — | Pennsylvania |
| 22 | Ambrose Hamm | 65 | Head | Carpenter | North Carolina |
| 23 | Elizabeth A Hamm | 63 | Wife | — | North Carolina |
| 24 | W. Dale Hamm | 5 | Grand-son | — | Pennsylvania |
| 25 | Willis S Brown | 57 | Head | Farmer | Pennsylvania |
| 26 | Jackson Joseph P Brown | 20 | Hired man | Farm Laborer | Pennsylvania |
| 27 | Grace M Brown | 18 | Hired girl | — | Pennsylvania |
| 28 | J. Henry Riley | 67 | Head | Blacksmith | Maryland |
| 29 | Margaret M Riley | 64 | Wife | — | Pennsylvania |
| 30 | Henry W Lindecamp | 57 | Head | Farmer | Pennsylvania |
| 31 | Nellie L Lindecamp | 56 | Wife | — | Pennsylvania |
| 32 | John L Lindecamp | 25 | Son | Welder | Pennsylvania |
| 33 | Earl J Lindecamp | 20 | Son | Farm Laborer | Pennsylvania |
| 34 | Hazel S Lindecamp | 5 | Son | — | Pennsylvania |
| 35 | Granville J Brabson | 56 | Head | Farmer | Pennsylvania |
| 36 | Stella M Brabson | 49 | Wife | — | Pennsylvania |
| 37 | Granville E Brabson | 22 | Son | Laborer | Pennsylvania |
| 38 | Mabel A Brabson | 13 | Daughter | — | Pennsylvania |
| 39 | Clyda A Burk | 33 | Head | Clerk | Pennsylvania |
| 40 | Lewis J Burk | 17 | Brother | Farm Laborer | Pennsylvania |
Pedigree Summary
Mary
Gen 1 · 2 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)