MD
Mamie Davis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · York, Pennsylvania
Our Model Tree links this Mamie Davis across the 1910, 1920 and 1930 US Censuses in York, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 4-person household.
Age 45
b. ~1885
Female
Spouse
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | York, Pennsylvania |
| Surname | Davis |
| Given Name | Mamie A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 20 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Fawn Township |
| Est. Birth Year | ~1885 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mamie | Age | Birth yr |
|---|---|---|---|---|
| Mamie Davis | Spouse | — | 45 | ~1885 |
| James Davis | Head | — | 47 | ~1883 |
| Leonard Davis | Son | — | 15 | ~1915 |
| Clinton Swift | Other | — | 35 | ~1895 |
Census Appearances
1910
York, Pennsylvania
Spouse, age 25
York, Pennsylvania · implied b. ~1885 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Mamie A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 5 |
| Children Born | 0 |
| Children Living | 0 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
York, Pennsylvania
Spouse, age 33
York, Pennsylvania · implied b. ~1887 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Mamie A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| 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
York, Pennsylvania
Spouse, age 45
York, Pennsylvania · implied b. ~1885 — 4 household members
| Surname | Davis |
| Given Name | Mamie A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 20 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| 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 Mamie Davis across 3 US Census years (1910, 1920 and 1930) in York, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Mamie Davis
Spouse · 1930 · age 45 · b. ~1885 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — York, Pennsylvania
Open full size
1930 US Federal Census — York, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2165rs:0229)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | M Louise Anderson | 12 | Daughter | — | Pennsylvania |
| 2 | Charles H Shenk | 44 | Head | Farmer | Pennsylvania |
| 3 | Ella M Shenk | 39 | Wife | — | Pennsylvania |
| 4 | Beulah M Shenk | 19 | Daughter | — | Pennsylvania |
| 5 | Charles E Shenk | 14 | Son | — | Pennsylvania |
| 6 | Sally E Shenk | 10 | Daughter | — | Pennsylvania |
| 7 | Harold Jenkins | 29 | Head | Farmer | Pennsylvania |
| 8 | Marie E Jenkins | 32 | Wife | — | Maryland |
| 9 | Curry Arthur Jenkins | 18 | Brother | Farm Laborer | Maryland |
| 10 | Harmon Davis | 71 | Head | Farmer | Maryland |
| 11 | Ella Davis | 62 | Wife | — | Maryland |
| 12 | Shelby L Davis | 40 | Son | Farm Laborer | Maryland |
| 13 | J Leroy Kirkwood | 52 | Nephew | — | Maryland |
| 14 | Alfred Grove | 61 | Head | — | Pennsylvania |
| 15 | George Grove | 36 | Brother | Farm Laborer | Pennsylvania |
| 16 | James H Davis | 47 | Head | Farmer | Pennsylvania |
| 17 | Mamie A Davis THIS PERSON | 45 | Wife | — | Pennsylvania |
| 18 | Leonard J Davis | 15 | Son | — | Pennsylvania |
| 19 | Clinton L Swift | 35 | Boarder | Farm Laborer | Maryland |
| 20 | William F Rollo | 50 | Head | Farmer | Pennsylvania |
| 21 | Mary A Rollo | 37 | Wife | — | Pennsylvania |
| 22 | Anna I Rollo | 38 | Sister | — | Pennsylvania |
| 23 | John P Collier | 53 | Head | Farmer | Maryland |
| 24 | Elizabeth M Collier | 65 | Wife | — | Pennsylvania |
| 25 | William H Smith | 60 | Head | Farmer | Pennsylvania |
| 26 | Wilson Lrout | 17 | Nephew | Farm Laborer | Pennsylvania |
| 27 | Henry Kessner | 69 | Head | Farmer | Pennsylvania |
| 28 | M Virginia Kessner | 67 | Wife | — | Maryland |
| 29 | James W Brown | 68 | Head | Farmer | Pennsylvania |
| 30 | Ida Brown | 60 | Wife | — | Pennsylvania |
| 31 | Marion E Brown | 33 | Daughter | Teacher | Pennsylvania |
| 32 | Robert G Brown | 22 | Daughter | Teacher | Pennsylvania |
| 33 | John S Brown | 61 | Brother | Truck Driver | Pennsylvania |
| 34 | Fred Ijurgen | 31 | Head | Farm Laborer | Pennsylvania |
| 35 | Blanche L Ijurgen | 28 | Wife | — | Maryland |
| 36 | George Butcher | 64 | Head | Farmer | Pennsylvania |
| 37 | Ella B Butcher | 50 | Wife | — | Pennsylvania |
| 38 | William B Jenkins | 51 | Head | — | Pennsylvania |
| 39 | Lillian Jenkins | 56 | Wife | — | Maryland |
| 40 | Ethel Jenkins | 23 | Daughter | Teacher | Pennsylvania |
| 41 | Charles M Jenkins | 13 | Son | — | Pennsylvania |
| 42 | Rudy E Miller | 39 | Head | Farmer | Pennsylvania |
| 43 | Amanda E Miller | 37 | Wife | — | Pennsylvania |
| 44 | Harold B Miller | 18 | Son | Farm Laborer | Pennsylvania |
| 45 | Hazel E Miller | 10 | Daughter | — | Pennsylvania |
| 46 | Ross A Dill | 44 | Head | Farmer | Pennsylvania |
| 47 | Alma G Dill | 36 | Wife | — | Pennsylvania |
| 48 | Walter R Dill | 16 | Son | — | Pennsylvania |
| 49 | Wilbur R Dill | 13 | Son | — | Pennsylvania |
| 50 | Amos T Dill | 5 | Son | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)