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Dorothy Davis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Montgomery, Pennsylvania
Our Model Tree links this Dorothy Davis across the 1920 and 1930 US Censuses in Montgomery, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1914), then head of a 14-person household.
Age 16
b. ~1914
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Montgomery, Pennsylvania |
| Surname | Davis |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 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 | Lansdale Borough |
| Est. Birth Year | ~1914 |
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.
14 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Betty Davis | Daughter | — | 8 | ~1922 |
| Betty Davis | Daughter | — | 2 | ~1928 |
| Mary Davis | Daughter | — | 10 | ~1920 |
| Grace Davis | Daughter | — | 20 | ~1910 |
| Ruth Davis | Daughter | — | 5 | ~1925 |
| Dorothy Davis | Daughter | — | 16 | ~1914 |
| Fred Davis | Head | — | 42 | ~1888 |
| Emma Davis | Other | — | 46 | ~1884 |
| Margaret Davis | Other | — | 24 | ~1906 |
| Lawrence Davis | Son | — | 21 | ~1909 |
| Harold Davis | Son | — | 22 | ~1908 |
| William Davis | Son | — | 14 | ~1916 |
| Robert Davis | Son | — | 2 | ~1928 |
| Fred Davis | Son | — | 18 | ~1912 |
Census Appearances
1920
Montgomery, Pennsylvania
Daughter, age 5
Montgomery, Pennsylvania · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Montgomery, Pennsylvania
Daughter, age 16
Montgomery, Pennsylvania · implied b. ~1914 — 14 household members
| Surname | Davis |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 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 Dorothy Davis across 2 US Census years (1920 and 1930) in Montgomery, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Davis
Daughter · 1930 · age 16 · b. ~1914 · Pennsylvania
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Sibling
Betty Davis
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Davis
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Davis
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Davis
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Davis
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Davis
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Davis
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Davis
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Davis
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Davis
Sibling · 1930 · age 21
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
1930 US Federal Census — Montgomery, Pennsylvania
Open full size
1930 US Federal Census — Montgomery, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2059:0874)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ida H. Gessell | 37 | Wife-H | — | Pennsylvania |
| 52 | S. Glen Gessell | 12 | Son | — | Pennsylvania |
| 53 | Arthur Gessell | 10 | Son | — | Pennsylvania |
| 54 | Ruth Gessell | 8 | Daughter | — | Pennsylvania |
| 55 | Robert Gessell | 6 | Son | — | Pennsylvania |
| 56 | Betty Gessell | 2 | Daughter | — | Pennsylvania |
| 57 | Fred Davis | 42 | Head | Foreman | Pennsylvania |
| 58 | Emma M. Davis | 46 | Wife-H | — | Pennsylvania |
| 59 | Harold B. Davis | 22 | Son | — | Pennsylvania |
| 60 | Lawrence Davis | 21 | Son | Clerk | Pennsylvania |
| 61 | Grace E. Davis | 20 | Daughter | — | Pennsylvania |
| 62 | Fred Jr. Davis | 18 | Son | — | Pennsylvania |
| 63 | Dorothy Davis THIS PERSON | 16 | Daughter | — | Pennsylvania |
| 64 | William Davis | 14 | Son | — | Pennsylvania |
| 65 | Mary E. Davis | 10 | Daughter | — | Pennsylvania |
| 66 | Betty J. Davis | 8 | Daughter | — | Pennsylvania |
| 67 | Ruth A. Davis | 5 | Daughter | — | Pennsylvania |
| 68 | Robert Davis | 2 | Son | — | Pennsylvania |
| 69 | Margaret Davis | 24 | Wife-H | — | Pennsylvania |
| 70 | Betty Davis | 2 | Daughter | — | Pennsylvania |
| 71 | William Davis | 28 | Head | — | Pennsylvania |
| 72 | Helen Davis | 25 | Wife-H | — | Pennsylvania |
| 73 | William Jr. Davis | 2 | Son | — | Pennsylvania |
| 74 | Robert Davis | 1 | Son | — | Pennsylvania |
| 75 | John Davis | 27 | Head | — | Pennsylvania |
| 76 | Mary Davis | 25 | Wife-H | — | Pennsylvania |
| 77 | Daughter Katharine | 27 | Daughter | Teacher | Pennsylvania |
| 78 | Emma Katharine | 55 | Head | Milliner | Germany |
| 79 | Emma Katharine | 22 | Daughter | — | Pennsylvania |
| 80 | Fred Katharine | 20 | Son | — | Pennsylvania |
| 81 | William Katharine | 18 | Son | — | Pennsylvania |
| 82 | Robert Katharine | 16 | Son | — | Pennsylvania |
| 83 | John Katharine | 14 | Son | — | Pennsylvania |
| 84 | Paul Katharine | 12 | Son | — | Pennsylvania |
| 85 | Ruth Katharine | 10 | Daughter | — | Pennsylvania |
| 86 | Betty Katharine | 8 | Daughter | — | Pennsylvania |
| 87 | George Katharine | 6 | Son | — | Pennsylvania |
| 88 | Mary Katharine | 4 | Daughter | — | Pennsylvania |
| 89 | Fred Katharine | 55 | Head | Foreman | Pennsylvania |
| 90 | Emma Katharine | 52 | Wife-H | — | Pennsylvania |
| 91 | Fred Jr. Katharine | 28 | Son | — | Pennsylvania |
| 92 | William Katharine | 26 | Son | — | Pennsylvania |
| 93 | Robert Katharine | 24 | Son | Laborer | Pennsylvania |
| 94 | John Katharine | 22 | Son | — | Pennsylvania |
| 95 | David E. Conner | 46 | Head | — | Pennsylvania |
| 96 | Mary E. Conner | 44 | Wife-H | — | Pennsylvania |
| 97 | Paul G. Witte | 10 | Son | — | Pennsylvania |
| 98 | Helen J. Witte | 6 | Daughter | — | Pennsylvania |
| 99 | Robert Witte | 4 | Son | — | Pennsylvania |
| 100 | James E. Shill | 25 | Bro-in-law | Clerk | 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)