WD
William Donahue — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Columbia-County, Pennsylvania
Our Model Tree links this William Donahue across the 1930 and 1940 US Censuses in Columbia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 9-person household.
Age 10
b. ~1930
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Columbia-County, Pennsylvania |
| Surname | Donahue |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Byronville |
| 1935 Residence (County) | Columbia |
| Additional Details | |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Byronville |
| 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 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Joseph Donahue | Son | — | 3 | ~1937 |
| Rose Donahue | Daughter | — | 7 | ~1933 |
| Michael Donahue | Son | — | 11 | ~1929 |
| Antony Dougherty | Other | — | 44 | ~1896 |
| Mary Donahue | Daughter | — | 12 | ~1928 |
| Mary Donahue | Spouse | — | 32 | ~1908 |
| Joseph Donahue | Head | — | 37 | ~1903 |
| William Donahue | Son | — | 10 | ~1930 |
| Michael Dougherty | Other | — | 82 | ~1858 |
Census Appearances
1930
Columbia, Pennsylvania
Son, age
Columbia, Pennsylvania · implied b. ~1930 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| 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 |
1940
Columbia-County, Pennsylvania
Son, age 10
Columbia-County, Pennsylvania · implied b. ~1930 — 9 household members
| Surname | Donahue |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Byronville |
| 1935 Residence (County) | Columbia |
| Highest Grade | 3 |
| 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 William Donahue across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Donahue
Son · 1940 · age 10 · b. ~1930 · Pennsylvania
★ You are viewing this record
Sibling
Michael Donahue
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Donahue
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Donahue
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Donahue
Sibling · 1940 · age 12
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
1940 US Federal Census — Columbia-County, Pennsylvania
Open full size
1940 US Federal Census — Columbia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03474-00250)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Vincent Spieler | 33 | Head | Laborer | Pennsylvania |
| 42 | Sarah Spieler | 25 | Wife | — | Pennsylvania |
| 43 | Constance Spieler | 5 | Daughter | — | Pennsylvania |
| 44 | James Spieler | 5 | Son | — | Pennsylvania |
| 45 | Ronald Spieler | 3 | Son | — | Pennsylvania |
| 46 | Francis Spieler | 1 | Son | — | Pennsylvania |
| 47 | Joseph Donahue | 37 | Head | Laborer | Pennsylvania |
| 48 | Mary Donahue | 32 | Wife | — | Pennsylvania |
| 49 | Mary Louise Donahue | 12 | Daughter | — | Pennsylvania |
| 50 | Michael Donahue | 11 | Son | — | Pennsylvania |
| 51 | William Donahue THIS PERSON | 10 | Son | — | Pennsylvania |
| 52 | Rose Ann Donahue | 7 | Daughter | — | Pennsylvania |
| 53 | Joseph Donahue | 3 | Son | — | Pennsylvania |
| 54 | Antony Dougherty | 44 | Brother in law | Laborer | Pennsylvania |
| 55 | Michael Dougherty | 82 | Father in law | — | Northern Ireland |
| 56 | Laura Mcdonald | 41 | Head | — | Pennsylvania |
| 57 | James Mcdonald | 45 | Brother | Laborer | Pennsylvania |
| 58 | Francis Mcdonald | 29 | Brother | Miner | Pennsylvania |
| 59 | Andrew Henney | 49 | Head | Laborer | Pennsylvania |
| 60 | Mary Henney | 46 | Wife | — | Pennsylvania |
| 61 | Thomas Henney | 27 | Son | Teacher | Pennsylvania |
| 62 | Edward Henney | 24 | Son | Laborer | Pennsylvania |
| 63 | Raymond Henney | 20 | Son | New Worker | Pennsylvania |
| 64 | Andrew Henney | 18 | Son | — | Pennsylvania |
| 65 | John Henney | 11 | Son | — | Pennsylvania |
| 66 | George Henney | 6 | Son | — | Pennsylvania |
| 67 | Mary Barrett | 32 | Sister in law | — | Ireland |
| 68 | Michael Mckala | 51 | Head | Laborer | Pennsylvania |
| 69 | Margaret Mckala | 46 | Wife | — | Pennsylvania |
| 70 | Mary Mckala | 23 | Daughter | Maid | Pennsylvania |
| 71 | Anna Mckala | 19 | Daughter | — | Pennsylvania |
| 72 | Michael Mckala | 17 | Son | New Worker | Pennsylvania |
| 73 | Dolores Mckala | 15 | Daughter | — | Pennsylvania |
| 74 | Francis Mckala | 12 | Son | — | Pennsylvania |
| 75 | Dorothy Mckala | 5 | Daughter | — | Pennsylvania |
| 76 | Catherine Flannery | 67 | Head | — | England |
| 77 | John Flannery | 35 | Son | Laborer | Pennsylvania |
| 78 | Michael Flannery | 33 | Son | Laborer | Pennsylvania |
| 79 | James Flannery | 28 | Son | Laborer | Pennsylvania |
| 80 | Vincent Flannery | 26 | Son | Laborer | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)