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John Moon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this John Moon across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 5-person household.
Age 17
b. ~1923
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Moon |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1923 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Moon | Son | — | 17 | ~1923 |
| Anna Moon | Daughter | — | 20 | ~1920 |
| Anna Moon | Spouse | — | 48 | ~1892 |
| John Moon | Head | — | 70 | ~1870 |
| Stella Moon | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 7
Allegheny, Pennsylvania · implied b. ~1923 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Moon |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 17
Allegheny-County, Pennsylvania · implied b. ~1923 — 5 household members
| Surname | Moon |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Income (1939) | 0 |
| 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 John Moon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Moon
Son · 1940 · age 17 · b. ~1923 · Pennsylvania
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Sibling
Anna Moon
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stella Moon
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-t0627-03660-00638)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marie De Miller | 46 | wife | — | Pennsylvania |
| 2 | Albert Threlkeld | 77 | Head | — | Georgia |
| 3 | Raymond Threlkeld | 33 | Son | 135 | Georgia |
| 4 | Lena Musselman | 38 | Head | Seamstress | Pennsylvania |
| 5 | Dorothy Musselman | 21 | daughter | New Worker | Pennsylvania |
| 6 | James L. Burkholter | 54 | Lodger | Coal Dealer | Pennsylvania |
| 7 | John Moon | 70 | Head | Laborer | Pennsylvania |
| 8 | Anna Moon | 48 | wife | — | Pennsylvania |
| 9 | Anna Moon | 20 | daughter | New Worker | Pennsylvania |
| 10 | John Moon THIS PERSON | 17 | son | — | Pennsylvania |
| 11 | Stella Moon | 14 | daughter | — | Pennsylvania |
| 12 | Henry Myers | 35 | Head | Funeral Director | Pennsylvania |
| 13 | Daniel A. Cain | 50 | Brother | Embalmer | Pennsylvania |
| 14 | Meredith Goff | 21 | Lodger | Laborer | Virginia |
| 15 | Edward Tomlin | 25 | Lodger | Janitor | Alabama |
| 16 | William Evans | 28 | Head | Plasterer | Ohio |
| 17 | Ann Evans | 27 | wife | — | New Jersey |
| 18 | Ruth Evans | 4 | daughter | — | Pennsylvania |
| 19 | Shirley Evans | 2 | daughter | — | Pennsylvania |
| 20 | Thomas Evans | 50 | Father | Repairman | England |
| 21 | Patsy Forey | 65 | Head | Merchant | Italy |
| 22 | Elsie Forey | 49 | wife | — | Germany |
| 23 | Donald Mccurdy | 11 | Son | — | Pennsylvania |
| 24 | Samuel Uevic | 70 | Head | — | Italy |
| 25 | Joseph Uevic | 31 | Son | — | Pennsylvania |
| 26 | John P. Hall | 73 | Head | Medical Doctor | Pennsylvania |
| 27 | Bertha A. Hall | 73 | wife | — | Ohio |
| 28 | Carrie White | 43 | Head | — | North Carolina |
| 29 | Colton Ingram | 27 | Son | Musician | North Carolina |
| 30 | Alec Ward | 44 | Head | Laborer | Virginia |
| 31 | Carnegie Ward | 38 | wife | — | Virginia |
| 32 | Sally Brown | 56 | Head | — | Virginia |
| 33 | Andrew Brown | 25 | Son | Laborer | Virginia |
| 34 | Lloyd Thomas | 43 | Lodger | — | Alabama |
| 35 | Noah Brooks | 45 | Lodger | Laborer | Virginia |
| 36 | Edward Harper | 57 | Lodger | Laborer | Alabama |
| 37 | Robert E. Brooks | 16 | Lodger | — | Pennsylvania |
| 38 | Robert J. Brooks | 22 | Lodger | Laborer | Virginia |
| 39 | Henry Baltimore | 27 | Lodger | Laborer | Virginia |
| 40 | Matthew Woodard | 45 | Head | Trackman | 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)