JD
James Donahue — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Montgomery, Pennsylvania
Our Model Tree links this James Donahue across the 1930 and 1940 US Censuses in Montgomery, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 20-person household.
Age 8
b. ~1922
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Montgomery, Pennsylvania |
| Surname | Donahue |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| 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 | Lower Merion Township |
| Est. Birth Year | ~1922 |
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.
20 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Thomas Donahue | Son | — | 2 | ~1928 |
| Joseph Donahue | Son | — | 1 | ~1929 |
| Albert Donahue | Son | — | 12 | ~1918 |
| Mary Donahue | Daughter | — | 15 | ~1915 |
| John Donahue | Son | — | 10 | ~1920 |
| Anna Donahue | Daughter | — | 1 | ~1929 |
| Anna Donahue | Daughter | — | 4 | ~1926 |
| John Donahue | Son | — | 7 | ~1923 |
| James Donahue | Son | — | 5 | ~1925 |
| Julia Donahue | Daughter | — | 15 | ~1915 |
| Thomas Donahue | Son | — | ~1930 | |
| Albert Donahue | Son | — | 9 | ~1921 |
| Vincent Donahue | Son | — | 6 | ~1924 |
| Vincent Donahue | Son | — | 3 | ~1927 |
| Joseph Donahue | Son | — | ~1930 | |
| Charles Donahue | Son | — | 13 | ~1917 |
| John Donahue | Head | — | 40 | ~1890 |
| Mary Donahue | Daughter | — | 11 | ~1919 |
| Christine Donahue | Spouse | — | 40 | ~1890 |
| James Donahue | Son | — | 8 | ~1922 |
Census Appearances
1930
Montgomery, Pennsylvania
Son, age 8
Montgomery, Pennsylvania · implied b. ~1922 — 20 household members
| Surname | Donahue |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 18
Philadelphia-County, Pennsylvania · implied b. ~1922 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donohue |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | CCC |
| Industry | Camp |
| Class of Worker | GW |
| Hours Worked | 28 |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 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 James Donahue across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Donahue
Son · 1930 · age 8 · b. ~1922 · Pennsylvania
★ You are viewing this record
Sibling
James Donahue
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Donahue
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Donahue
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Donahue
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Donahue
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Donahue
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Donahue
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Donahue
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Donahue
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Donahue
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Donahue
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Donahue
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Donahue
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Donahue
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Donahue
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Donahue
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Donahue
Sibling · 1930 · age
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:fifteenthcensus00reel2082:1054)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William | 18 | Son | Laborer | Pennsylvania |
| 2 | Elizabeth | 16 | Daughter | — | Pennsylvania |
| 3 | Margaret | 14 | Daughter | — | Pennsylvania |
| 4 | Edith | 11 | Daughter | — | Pennsylvania |
| 5 | William Bitting | 41 | Head | Laborer | Pennsylvania |
| 6 | Mary Bitting | 41 | Wife | — | Pennsylvania |
| 7 | William Bitting | 18 | Son | Laborer | Pennsylvania |
| 8 | Elizabeth Bitting | 16 | Daughter | — | Pennsylvania |
| 9 | Margaret Bitting | 14 | Daughter | — | Pennsylvania |
| 10 | Edith Bitting | 11 | Daughter | — | Pennsylvania |
| 11 | Mary Bitting | 9 | Daughter | — | Pennsylvania |
| 12 | John Bitting | 7 | Son | — | Pennsylvania |
| 13 | Margaret Bitting | 5 | Daughter | — | Pennsylvania |
| 14 | Janet Bitting | 4 | Daughter | — | Pennsylvania |
| 15 | Sarah Bitting | 2 | Daughter | — | Pennsylvania |
| 16 | Joseph Bitting | 1 | Son | — | Pennsylvania |
| 17 | Edward Bitting | 0 | Son | — | Pennsylvania |
| 18 | Robert Bitting | 0 | Son | — | Pennsylvania |
| 19 | Kathleen Bitting | 7 | Daughter | — | Pennsylvania |
| 20 | Mary Bitting | 4 | Daughter | — | Pennsylvania |
| 21 | Thomas Floyd | 54 | Head | Laborer | Pennsylvania |
| 22 | Edward Floyd | 21 | Son | Laborer | Pennsylvania |
| 23 | Margaret Floyd | 17 | Daughter | — | Pennsylvania |
| 24 | John Donahue | 40 | Head | Laborer | Pennsylvania |
| 25 | Christine Donahue | 40 | Wife | — | Pennsylvania |
| 26 | Julia Donahue | 15 | Daughter | — | Pennsylvania |
| 27 | Charles Donahue | 13 | Son | — | Pennsylvania |
| 28 | Mary Donahue | 11 | Daughter | — | Pennsylvania |
| 29 | Albert Donahue | 9 | Son | — | Pennsylvania |
| 30 | John Donahue | 7 | Son | — | Pennsylvania |
| 31 | James Donahue | 5 | Son | — | Pennsylvania |
| 32 | Vincent Donahue | 3 | Son | — | Pennsylvania |
| 33 | Anna Donahue | 1 | Daughter | — | Pennsylvania |
| 34 | Thomas Donahue | 0 | Son | — | Pennsylvania |
| 35 | Joseph Donahue | 0 | Son | — | Pennsylvania |
| 36 | Mary Donahue | 15 | Daughter | — | Pennsylvania |
| 37 | Albert Donahue | 12 | Son | — | Pennsylvania |
| 38 | John Donahue | 10 | Son | — | Pennsylvania |
| 39 | James Donahue THIS PERSON | 8 | Son | — | Pennsylvania |
| 40 | Vincent Donahue | 6 | Son | — | Pennsylvania |
| 41 | Anna Donahue | 4 | Daughter | — | Pennsylvania |
| 42 | Thomas Donahue | 2 | Son | — | Pennsylvania |
| 43 | Joseph Donahue | 1 | Son | — | Pennsylvania |
| 44 | George Woodward | 44 | Head | Laborer | Pennsylvania |
| 45 | Sarah Woodward | 40 | Wife | — | Pennsylvania |
| 46 | George Woodward | 15 | Son | — | Pennsylvania |
| 47 | Walter Woodward | 12 | Son | — | Pennsylvania |
| 48 | Daniel Woodward | 10 | Son | — | Pennsylvania |
| 49 | Gertrude Potter | 22 | Daughter | — | Pennsylvania |
| 50 | William Potter | 24 | Son-in-law | Laborer | 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)