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Bertha Robinson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Delaware, Pennsylvania
Our Model Tree links this Bertha Robinson across the 1930 and 1940 US Censuses in Delaware, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 9-person household.
Age 0
b. ~1930
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Delaware, Pennsylvania |
| Surname | Robinson |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Florida |
| Additional Details | |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Darby Town Ship |
| Est. Birth Year | ~1930 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Agustus Robinson | Son | — | 9 | ~1921 |
| Vallie Robinson | Spouse | — | 22 | ~1908 |
| George Robinson | Son | — | 3 | ~1927 |
| Bertha Robinson | Daughter | — | ~1930 | |
| Beatrice Robinson | Daughter | — | 4 | ~1926 |
| Evellyn Robinson | Daughter | — | 5 | ~1925 |
| James Robinson | Son | — | 1 | ~1929 |
| Agustus Robinson | Head | — | 33 | ~1897 |
| Fredrick Robinson | Son | — | 2 | ~1928 |
Census Appearances
1930
Delaware, Pennsylvania
Daughter, age
Delaware, Pennsylvania · implied b. ~1930 — 9 household members
| Surname | Robinson |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Florida |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Daughter, age 11
Delaware-County, Pennsylvania · implied b. ~1929 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Bessie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Darby Borough |
| 1935 Residence (County) | Delaware |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| 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 Bertha Robinson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Bertha Robinson
Daughter · 1930 · age 0 · b. ~1930 · Pennsylvania
★ You are viewing this record
Sibling
Evellyn Robinson
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Robinson
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fredrick Robinson
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Robinson
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agustus Robinson
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Robinson
Sibling · 1930 · age 4
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 — Delaware, Pennsylvania
Open full size
1930 US Federal Census — Delaware, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2030:0958)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mitchell Fidanche | 28 | Head | Painter | Hawaii |
| 52 | Annie Fidanche | 24 | Wife | Dress Maker | New Jersey |
| 53 | John S. Cager | 21 | Head | Carpenter | Pennsylvania |
| 54 | Florence Cager | 18 | Wife | None | Virginia |
| 55 | William Sedler | 44 | Head | Labor | Delaware |
| 56 | Ismael Mills | 20 | Roomer | Laundress | Maryland |
| 57 | Crystiana Mills | 18 | Roomer | None | North Carolina |
| 58 | James Valsey | 65 | Head | None | Virginia |
| 59 | Ernest Valsey | 17 | Boarder | None | Virginia |
| 60 | Everett Hayford | 53 | Head | Chauffeur | North Carolina |
| 61 | Annie Hayford | 33 | Wife | Servant | Virginia |
| 62 | Robert M. Johnson | 45 | Head | Laborer | Virginia |
| 63 | Rachela Johnson | 45 | Wife | Laundress | Maryland |
| 64 | Joseph Resin | 60 | Head | Music Teacher | Maryland |
| 65 | Laura Resin | 42 | Wife | Servant | Pennsylvania |
| 66 | Alice Edmunds | 51 | Head | Servant | Tennessee |
| 67 | Frances Edmunds | 17 | Daughter | None | Virginia |
| 68 | Elizabeth Pundy | 58 | Head | Laundress | Georgia |
| 69 | Emit Milner | 37 | Roomer | Labor | Georgia |
| 70 | Ollie Milner | 33 | Roomer | Servant | Georgia |
| 71 | Martha Higgins | 54 | Roomer | None | Georgia |
| 72 | Agustus Robinson | 33 | Head | Moulder | California |
| 73 | Vallie Robinson | 22 | Wife | None | Florida |
| 74 | Agustus Jr. Robinson | 9 | Son | None | California |
| 75 | Fredrick Robinson | 2 | Son | None | California |
| 76 | Evellyn Robinson | 5 | Daughter | None | California |
| 77 | Beatrice Robinson | 4 | Daughter | None | California |
| 78 | George Robinson | 3 | Son | None | California |
| 79 | James Robinson | 1 | Son | None | California |
| 80 | Bertha Robinson THIS PERSON | 0 | Daughter | None | Pennsylvania |
| 81 | George Berry | 48 | Head | Labor | Maryland |
| 82 | Ida Berry | 46 | Wife | None | Maryland |
| 83 | Martin Berry | 28 | Son | Janitor | Maryland |
| 84 | Marion Berry | 24 | Daughter | None | Pennsylvania |
| 85 | Hattie Henry | 29 | Daughter | Servant | Maryland |
| 86 | Charles Ager | 70 | Head | None | New York |
| 87 | Agnes Ager | 42 | Wife | Machine Operator | Sweden |
| 88 | Charles Jr. Ager | 26 | Son | Proprietor | Pennsylvania |
| 89 | Money Miller | 41 | Boarder | None | France |
| 90 | Leopold Redder | 35 | Boarder | Labor | Pennsylvania |
| 91 | Alfred Olson | 49 | Boarder | Labor | Sweden |
| 92 | Thomas Lazar | 12 | Boarder | None | New York |
| 93 | James Murray | 42 | Boarder | Fireman | Ireland |
| 94 | Agnes Lazar | 30 | Boarder | Body Maker | New York |
| 95 | Richard Jones | 59 | Head | Labor | Pennsylvania |
| 96 | Viola G. Jones | 38 | Wife | None | Washington D.C. |
| 97 | Evelyn V. Jones | 9 | Daughter | None | Pennsylvania |
| 98 | Richard Jr. Jones | 8 | Son | None | Pennsylvania |
| 99 | Frank Stephens | 68 | Head | Brick Layer | Maryland |
| 100 | Hellen Stephens | 59 | Wife | Laundress | Virginia |
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)