RC
Robert Cummings — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Delaware, Pennsylvania
Our Model Tree links this Robert Cummings across the 1930 and 1940 US Censuses in Delaware, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 9-person household.
Age 5
b. ~1925
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Delaware, Pennsylvania |
| Surname | Cummings |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Norwood |
| Est. Birth Year | ~1925 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| John Cummings | Head | — | 45 | ~1885 |
| Richard Cummings | Son | — | 2 | ~1928 |
| Helen Cummings | Other | — | 42 | ~1888 |
| Henry Cummings | Son | — | 20 | ~1910 |
| Helen Cummings | Daughter | — | 15 | ~1915 |
| Robert Cummings | Son | — | 5 | ~1925 |
| Joseph Cummings | Son | — | 9 | ~1921 |
| Raymond Cummings | Son | — | 18 | ~1912 |
| John Cummings | Son | — | 22 | ~1908 |
Census Appearances
1930
Delaware, Pennsylvania
Son, age 5
Delaware, Pennsylvania · implied b. ~1925 — 9 household members
| Surname | Cummings |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| 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 |
1940
Delaware-County, Pennsylvania
Son, age 14
Delaware-County, Pennsylvania · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cumming |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Norwood |
| 1935 Residence (County) | Delaware |
| Highest Grade | No 7 |
| 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 Robert Cummings across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Cummings
Son · 1930 · age 5 · b. ~1925 · Pennsylvania
★ You are viewing this record
Sibling
Richard Cummings
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Cummings
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Cummings
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Cummings
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Cummings
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Cummings
Sibling · 1930 · age 15
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
49 people indexed on this census page (ia:1930:fifteenthcensus00reel2032:0325)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Samuel W. Oneill | 54 | Brother | Gardner | Pennsylvania |
| 2 | Leonard R. Mccartney | 21 | Head | Retail Merchant | Pennsylvania |
| 3 | Fred R. Mccartney | 15 | Son | — | Pennsylvania |
| 4 | L. Goss Mccartney | 28 | Son | Salesman | Pennsylvania |
| 5 | Marie M. Mccartney | 32 | Daughter | — | Northern Ireland |
| 6 | Charles X. Kreck | 52 | Head | Machinist | New Jersey |
| 7 | Cathrine V. Kreck | 44 | Wife-H | — | Pennsylvania |
| 8 | Charles J. Jr. Kreck | 18 | Son | — | Pennsylvania |
| 9 | Madaline C. Kreck | 16 | Daughter | — | Pennsylvania |
| 10 | Paul J. Kreck | 8 | Son | — | Pennsylvania |
| 11 | Estller Walker | 39 | Head | — | Massachusetts |
| 12 | Robert E. Walker | 35 | Wife-H | Electrician | Virginia |
| 13 | Joseph A. Finn | 33 | Boarder | Electrician | Pennsylvania |
| 14 | Mary A. Mcglynn | 58 | Head | — | Northern Ireland |
| 15 | Sarah Mcglynn | 28 | Daughter | Teacher | Pennsylvania |
| 16 | Annie Mcglynn | 30 | Daughter | — | Pennsylvania |
| 17 | George H. Ettien | 56 | Head | Superintendent | Pennsylvania |
| 18 | Charlotte F. Ettien | 56 | Wife-H | — | Pennsylvania |
| 19 | Ella May Ettien | 24 | Daughter | — | Pennsylvania |
| 20 | Charlotte M. Ettien | 22 | Daughter | — | Pennsylvania |
| 21 | Kenneth R. Ettien | 19 | Son | Asst. Supt. | Pennsylvania |
| 22 | Bruce A. Ettien | 15 | Son | — | Pennsylvania |
| 23 | James H. Mccartney | 37 | Head | Yardmaster | Pennsylvania |
| 24 | Helen M. Mccartney | 33 | Wife-H | — | Pennsylvania |
| 25 | James H. Jr. Mccartney | 17 | Son | — | Pennsylvania |
| 26 | George E. Mccartney | 15 | Son | — | Pennsylvania |
| 27 | Helen M. Mccartney | 7 | Daughter | — | Pennsylvania |
| 28 | Frank E. Rowdon | 64 | Head | Machinist | Pennsylvania |
| 29 | Jennie Rowdon | 61 | Wife-H | — | Pennsylvania |
| 30 | James A. Rowdon | 25 | Son | Assistant Accountant | Pennsylvania |
| 31 | Ernest T. Rowdon | 20 | Son | Assistant Accountant | Pennsylvania |
| 32 | Elizabeth S. Rowdon | 12 | Daughter | — | Pennsylvania |
| 33 | Lucy E. Walton | 74 | Head | — | Delaware |
| 34 | Mable H. Pattee | 37 | Daughter | — | Delaware |
| 35 | Ann P. Pattee | 9 | Grand-Dau | — | Massachusetts |
| 36 | James A. Young | 53 | Roomer | Accountant | Pennsylvania |
| 37 | John J. Cummings | 45 | Head | Forman | Pennsylvania |
| 38 | Helen M. Cummings | 42 | Wife-H | — | Delaware |
| 39 | John J. Jr. Cummings | 22 | Son | Weaver | Pennsylvania |
| 40 | Henry T. Cummings | 20 | Son | — | Pennsylvania |
| 41 | Raymond Cummings | 18 | Son | — | Pennsylvania |
| 42 | Helen H. Cummings | 15 | Daughter | — | Pennsylvania |
| 43 | Joseph G. Cummings | 9 | Son | — | Pennsylvania |
| 44 | Robert Cummings THIS PERSON | 5 | Son | — | Pennsylvania |
| 45 | Richard Cummings | 2 | Son | — | Pennsylvania |
| 46 | Robert W. Tidmarsh | 37 | Head | Retailer Dealer | Pennsylvania |
| 47 | Ada T. Tidmarsh | 36 | Wife-H | — | Pennsylvania |
| 48 | Robert W. Jr. Tidmarsh | 16 | Son | — | Pennsylvania |
| 49 | Margaret A. Tidmarsh | 10 | Daughter | — | 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)