MS
Michael Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Michael Smith across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Smith |
| Given Name | Michael |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Coremaker |
| Industry | Brass Foundry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1196 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Coremaker |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1907 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Michael | Age | Birth yr |
|---|---|---|---|---|
| Miles Smith | Son | — | 12 | ~1928 |
| Melton Smith | Son | — | 7 | ~1933 |
| Michael Smith | Head | — | 33 | ~1907 |
| Catherine Smith | Spouse | — | 33 | ~1907 |
Census Appearances
1920
Allegheny, Pennsylvania
Other, age 13
Allegheny, Pennsylvania · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Michael A. |
| Relationship to Head | Brother-in-law |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Other, age 24
Allegheny, Pennsylvania · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Michael |
| Relationship to Head | Son in Law |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 20 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Coremaker |
| Industry | Foundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 33
Allegheny-County, Pennsylvania · implied b. ~1907 — 4 household members
| Surname | Smith |
| Given Name | Michael |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Occupation | Coremaker |
| Industry | Brass Foundry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1196 |
| Highest Grade | No 8 |
| 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 Michael Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Michael Smith
Head · 1940 · age 33 · b. ~1907 · Pennsylvania
★ You are viewing this record
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-t0627-03657-00498)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sarah Oconnor | 68 | Head | — | Pennsylvania |
| 2 | Sarah Ruh | 89 | Mother | — | England |
| 3 | Florence Kenna | 53 | Head | — | Pennsylvania |
| 4 | Dorthy Mae Kenna | 16 | Daughter | — | Pennsylvania |
| 5 | Louise Berry | 37 | Head | — | Pennsylvania |
| 6 | Emma Berry | 17 | Daughter | — | Pennsylvania |
| 7 | Edward Berry | 16 | Son | — | Pennsylvania |
| 8 | Thelma Berry | 13 | Daughter | — | Pennsylvania |
| 9 | Dolores Berry | 10 | Daughter | — | Pennsylvania |
| 10 | Michael Smith THIS PERSON | 33 | Head | Coremaker | Pennsylvania |
| 11 | Catherine Smith | 33 | Wife | — | Pennsylvania |
| 12 | Miles Smith | 12 | Son | — | Pennsylvania |
| 13 | Melton Smith | 7 | Son | — | Pennsylvania |
| 14 | Bertha Kearcher | 40 | Head | — | Pennsylvania |
| 15 | Eleanor Kearcher | 13 | Daughter | — | Pennsylvania |
| 16 | Bertha Kearcher | 12 | Daughter | — | Pennsylvania |
| 17 | Joan Kearcher | 10 | Daughter | — | Pennsylvania |
| 18 | John Kearcher | 4 | Son | — | Pennsylvania |
| 19 | John Mans | 44 | Head | Labor | Pennsylvania |
| 20 | Helen Mans | 34 | Wife | — | Pennsylvania |
| 21 | William Mans | 5 | Son | — | Pennsylvania |
| 22 | Thomas Mans | 2 | Son | — | Pennsylvania |
| 23 | Frank Altenbaugh | 59 | Head | Machinist | Pennsylvania |
| 24 | Ida Altenbaugh | 53 | Wife | — | Pennsylvania |
| 25 | Walter Altenbaugh | 22 | Son | New Worker | Pennsylvania |
| 26 | William White | 31 | Head | Clerical | Pennsylvania |
| 27 | Sylvester Kobe | 47 | Head | Melder | Austria |
| 28 | Mary Kobe | 38 | Wife | — | Austria |
| 29 | Katherine Kobe | 17 | Daughter | — | Pennsylvania |
| 30 | Frank Kobe | 15 | Son | — | Pennsylvania |
| 31 | Helen Kobe | 13 | Daughter | — | Pennsylvania |
| 32 | Anna May Kobe | 4 | Daughter | — | Pennsylvania |
| 33 | Hodgsond | 65 | Head | Labor | Pennsylvania |
| 34 | Margaret Hodgsond | 50 | Wife | — | Pennsylvania |
| 35 | John Mcnally | 75 | Fatherinlaw | — | Ireland |
| 36 | Charles Hays | 25 | Head | Truck Driver | Pennsylvania |
| 37 | Edna Hays | 23 | Wife | — | Pennsylvania |
| 38 | Charles Hays | 5 | Son | — | Pennsylvania |
| 39 | Carol Hays | 3 | Daughter | — | Pennsylvania |
| 40 | Lawrence Zello | 52 | Head | Cleaning Shop | Italy |
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)