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Edward Brennan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Edward Brennan across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1917), then head of a 9-person household.
Age 23
b. ~1917
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Brennan |
| Given Name | Edward James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Munhall |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Bottom Maker |
| Industry | Steel Mill |
| Class of Worker | PW |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Bottom Maker |
| Township / Ward | Munhall |
| Est. Birth Year | ~1917 |
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 Edward | Age | Birth yr |
|---|---|---|---|---|
| Richard Brennan | Son | — | 4 | ~1936 |
| Rose Brennan | Daughter | — | 16 | ~1924 |
| Harry Brennan | Son | — | 20 | ~1920 |
| Frances Brennan | Son | — | 18 | ~1922 |
| Edward Brennan | Son | — | 23 | ~1917 |
| James Brennan | Head | — | 47 | ~1893 |
| Julia Brennan | Daughter | — | 7 | ~1933 |
| Leo Brennan | Son | — | 14 | ~1926 |
| Marie Brennan | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 3
Allegheny, Pennsylvania · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennen |
| Given Name | Edward E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 13
Allegheny, Pennsylvania · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennen |
| Given Name | Edward J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| 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
Allegheny-County, Pennsylvania
Son, age 23
Allegheny-County, Pennsylvania · implied b. ~1917 — 9 household members
| Surname | Brennan |
| Given Name | Edward James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Munhall |
| 1935 Residence (County) | Allegheny |
| Occupation | Bottom Maker |
| Industry | Steel Mill |
| Class of Worker | PW |
| Highest Grade | Hs 2 |
| 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 Edward Brennan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Brennen (~0.92 confidence) and father James Brennan (~0.92 confidence) and father James Brennen (~0.92 confidence) and mother Marie Brennan (~0.92 confidence) and mother Marie Brennen (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Brennen
b. ~1891
Source father
● Household
· direct · ~0.92
Father
James Brennan
b. ~1893
Source father
● Household
· direct · ~0.92
Father
James Brennen
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Marie Brennan
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Marie Brennen
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Edward Brennan
Son · 1940 · age 23 · b. ~1917 · Pennsylvania
★ You are viewing this record
Sibling
Rose Brennan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Brennan
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Brennan
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Brennan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Brennan
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Brennan
Sibling · 1940 · age 14
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03412-00273)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mamie L Stewart | 22 | Son | Laborer | Scotland |
| 42 | Walter Jacob Schmitt | 48 | Head | Laborer | Pennsylvania |
| 43 | Betty Kathryn Schmitt | 25 | Daughter | Waitress | Pennsylvania |
| 44 | Peggy Imelda Schmitt | 23 | Daughter | Waitress | Pennsylvania |
| 45 | Anna Marie Schmitt | 19 | Daughter | Beautician | Pennsylvania |
| 46 | Andrew Muir Beveridge | 51 | Head | Repairman | Scotland |
| 47 | Rose Elizabeth Beveridge | 49 | Wife | — | Pennsylvania |
| 48 | Andrew Lowman Beveridge | 21 | Son | Laborer | Pennsylvania |
| 49 | Eugene John Beveridge | 18 | Son | Bricklayer Helper | Pennsylvania |
| 50 | Walter Glenn Kelley | 40 | Head | Inspector | Pennsylvania |
| 51 | Florence Viola Kelley | 42 | Wife | — | Pennsylvania |
| 52 | Gladys Mae Kelley | 15 | Daughter | — | Pennsylvania |
| 53 | Duncan Scott | 40 | Head | Machinist | Scotland |
| 54 | Cecilla Scott | 40 | Wife | — | Scotland |
| 55 | Barbara Scott | 13 | Daughter | — | Pennsylvania |
| 56 | Duncan Scott | 7 | Son | — | Pennsylvania |
| 57 | George Scott | 4 | Son | — | Pennsylvania |
| 58 | David William Lanyon | 32 | Head | Safety Inspector | Pennsylvania |
| 59 | Helen June Lanyon | 25 | Wife | — | Pennsylvania |
| 60 | Marilyne Elaine Lanyon | 2 | Daughter | — | Pennsylvania |
| 61 | William Muir | 43 | Head | Inspector | Scotland |
| 62 | Nellie Muir | 43 | Wife | — | Pennsylvania |
| 63 | Alexander Isaac Muir | 18 | Son | Stock Boy | Pennsylvania |
| 64 | Betty Ann Muir | 8 | Daughter | — | Pennsylvania |
| 65 | Carl Edgar Klier | 44 | Head | Furnace Man | Pennsylvania |
| 66 | Mildred Mae Klier | 43 | Wife | Domestic | Pennsylvania |
| 67 | Edgar Carl Klier | 14 | Son | — | Pennsylvania |
| 68 | William Barth | 38 | Head | Chief Passenger Agent | Pennsylvania |
| 69 | Anna Dolores Barth | 31 | Wife | — | Pennsylvania |
| 70 | Melinda Ann Barth | 1 | Daughter | — | Pennsylvania |
| 71 | Joseph Charles Mulligan | 68 | Father-in-law | — | Ireland |
| 72 | James Edward Brennan | 47 | Head | Heater | Pennsylvania |
| 73 | Marie Stella Brennan | 47 | Wife | — | Pennsylvania |
| 74 | Edward James Brennan THIS PERSON | 23 | Son | Bottom Maker | Pennsylvania |
| 75 | Harry Ambrose Brennan | 20 | Son | Laborer | Pennsylvania |
| 76 | Frances Carl Brennan | 18 | Son | — | Pennsylvania |
| 77 | Rose Marie Brennan | 16 | Daughter | — | Pennsylvania |
| 78 | Leo William Brennan | 14 | Son | — | Pennsylvania |
| 79 | Julia Ann Brennan | 7 | Daughter | — | Pennsylvania |
| 80 | Richard Thomas Brennan | 4 | Son | — | Pennsylvania |
Pedigree Summary
Edward + 6 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)