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William Delaney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Pennsylvania
Our Model Tree links this William Delaney across the 1930 and 1940 US Censuses in Montgomery-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 10-person household.
Age 16
b. ~1924
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Pennsylvania |
| Surname | Delaney |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Bridgeport Borough |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Bridgeport Borough |
| Est. Birth Year | ~1924 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Martha Delaney | Daughter | — | 13 | ~1927 |
| Martha Delaney | Spouse | — | 46 | ~1894 |
| Daniel Delaney | Head | — | 53 | ~1887 |
| Mary Delaney | Daughter | — | 14 | ~1926 |
| Daniel Delaney | Son | — | 20 | ~1920 |
| Eleanor Delaney | Daughter | — | 6 | ~1934 |
| Edward Delaney | Son | — | 2 | ~1938 |
| Charles Delaney | Son | — | 18 | ~1922 |
| Evelyn Delaney | Daughter | — | 21 | ~1919 |
| William Delaney | Son | — | 16 | ~1924 |
Census Appearances
1930
Montgomery, Pennsylvania
Son, age 6
Montgomery, Pennsylvania · implied b. ~1924 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Delaney |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| 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
Montgomery-County, Pennsylvania
Son, age 16
Montgomery-County, Pennsylvania · implied b. ~1924 — 10 household members
| Surname | Delaney |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Bridgeport Borough |
| 1935 Residence (County) | Montgomery |
| 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 William Delaney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Delaney
Son · 1940 · age 16 · b. ~1924 · Pennsylvania
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Sibling
Martha Delaney
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Delaney
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Delaney
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Delaney
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Delaney
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Delaney
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Delaney
Sibling · 1940 · 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
1940 US Federal Census — Montgomery-County, Pennsylvania
Open full size
1940 US Federal Census — Montgomery-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03577-00238)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Brennan | 59 | head | Stationary Fireman | Pennsylvania |
| 2 | Susan S Brennan | 56 | wife | — | Pennsylvania |
| 3 | Martin Brennan | 26 | son | Outside Salesman | Pennsylvania |
| 4 | Marie Brennan | 22 | daughter | Telephone Operator | Pennsylvania |
| 5 | Jean Brennan | 21 | daughter | Clerical Work | Pennsylvania |
| 6 | John Brennan | 18 | son | — | Pennsylvania |
| 7 | Susan Brennan | 17 | daughter | — | Pennsylvania |
| 8 | Elizabeth Brennan | 15 | daughter | — | Pennsylvania |
| 9 | Daniel Delaney | 53 | head | Engine House Fireman | Pennsylvania |
| 10 | Martha Delaney | 46 | wife | — | Pennsylvania |
| 11 | Charles Delaney | 18 | son | Finisher | Pennsylvania |
| 12 | William Delaney THIS PERSON | 16 | son | — | Pennsylvania |
| 13 | Mary Jane Delaney | 14 | daughter | — | Pennsylvania |
| 14 | Martha Delaney | 13 | daughter | — | Pennsylvania |
| 15 | Eleanor Delaney | 6 | daughter | — | Pennsylvania |
| 16 | Edward Delaney | 2 | son | — | Pennsylvania |
| 17 | Daniel Delaney | 20 | son | Attendant | Pennsylvania |
| 18 | Evelyn Delaney | 21 | daughter | — | Pennsylvania |
| 19 | Milo Machringer | 51 | head | — | Pennsylvania |
| 20 | Paul Machringer | 18 | son | — | Pennsylvania |
| 21 | Catherine Machringer | 16 | daughter | — | Pennsylvania |
| 22 | Thomas J Gallagher | 45 | brother | Truck Driver | Pennsylvania |
| 23 | Charles Heck | 50 | lodger | Laborer | Pennsylvania |
| 24 | Kenneth Palmer | 27 | head | Optician | Pennsylvania |
| 25 | Hazel Palmer | 28 | wife | — | Pennsylvania |
| 26 | Alice Palmer | 62 | head | — | Pennsylvania |
| 27 | Ella Fisher | 61 | head | — | Pennsylvania |
| 28 | Daniel Fisher | 30 | son | Clerk | Pennsylvania |
| 29 | Margaret Fisher | 26 | daughter | Stenographer | Pennsylvania |
| 30 | James J Mcemery | 56 | head | Clergyman | Pennsylvania |
| 31 | Cornelius Devitt | 35 | assistant | Clergyman | Pennsylvania |
| 32 | Thomas J Conolly | 29 | assistant | Clergyman | Pennsylvania |
| 33 | Mary Mcgovern | 35 | lodger | Housekeeper | Pennsylvania |
| 34 | Anastasia Mcgovern | 31 | lodger | Housekeeper | Pennsylvania |
| 35 | Mother M. Anselm | 56 | head | Teacher | Pennsylvania |
| 36 | Sister Mary St. Rose | 56 | — | Teacher | Pennsylvania |
| 37 | Sister Mary Hilary | 51 | — | Teacher | Ireland |
| 38 | Sister Mary Lucina | 40 | — | Teacher | Pennsylvania |
| 39 | Sister Winifred Marie | 38 | — | Teacher | 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)