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Ira Jones — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Pennsylvania
Our Model Tree links this Ira Jones across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 3-person household.
Age 56
b. ~1884
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Pennsylvania |
| Surname | Jones |
| Given Name | Ira H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Whitpain |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Machinist |
| Industry | Textile Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1326 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Machinist |
| Township / Ward | Whitpain |
| Est. Birth Year | ~1884 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ira | Age | Birth yr |
|---|---|---|---|---|
| Mary Jones | Daughter | — | 19 | ~1921 |
| Mary Jones | Spouse | — | 53 | ~1887 |
| Ira Jones | Head | — | 56 | ~1884 |
Census Appearances
1920
Montgomery, Pennsylvania
Head, age 35
Montgomery, Pennsylvania · implied b. ~1885
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Jones |
| Given Name | Ira H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Mulatto |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Machinist |
| Industry | Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Montgomery, Pennsylvania
Head, age 46
Montgomery, Pennsylvania · implied b. ~1884 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Ira |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 23 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Machinist |
| Industry | Knitting Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Radio Set | R |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Montgomery-County, Pennsylvania
Head, age 56
Montgomery-County, Pennsylvania · implied b. ~1884 — 3 household members
| Surname | Jones |
| Given Name | Ira H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Whitpain |
| 1935 Residence (County) | Montgomery |
| Occupation | Machinist |
| Industry | Textile Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1326 |
| 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 Ira Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Ira Jones
Head · 1940 · age 56 · b. ~1884 · Pennsylvania
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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
40 people indexed on this census page (nara:1940:m-t0627-03586-00435)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jesse A Roberts | 45 | son | Farmer | Pennsylvania |
| 42 | Charles Howard Roberts | 37 | son | Farmer | Pennsylvania |
| 43 | Jacob Moyer | 71 | Head | — | Pennsylvania |
| 44 | Sue Moyer | 72 | Wife | — | Pennsylvania |
| 45 | John H Koffel | 47 | Head | Machinist | Pennsylvania |
| 46 | Lulu Koffel | 45 | Wife | — | Pennsylvania |
| 47 | Gladys Koffel | 21 | daughter | Beautician | Pennsylvania |
| 48 | John Jr. Koffel | 19 | son | Apprentice | Pennsylvania |
| 49 | Fred Koffel | 17 | son | — | Pennsylvania |
| 50 | Paul Koffel | 13 | son | — | Pennsylvania |
| 51 | Paul R Bean | 40 | Head | Inspector | Pennsylvania |
| 52 | Anna M Bean | 39 | Wife | — | Pennsylvania |
| 53 | Paul J Bean | 19 | son | — | Pennsylvania |
| 54 | George O Bean | 17 | son | Laborer | Pennsylvania |
| 55 | Sara Jane Bean | 13 | daughter | — | Pennsylvania |
| 56 | Anna Mary Bean | 11 | daughter | — | Pennsylvania |
| 57 | Marjorie Lou Bean | 9 | daughter | — | Pennsylvania |
| 58 | Mary Elizabeth Bean | 7 | daughter | — | Pennsylvania |
| 59 | R Jane Dwyer | 57 | mother in law | Seamer | Pennsylvania |
| 60 | James R Punting | 12 | Nephew | — | Pennsylvania |
| 61 | Don R Frank | 58 | Head | — | Pennsylvania |
| 62 | Ida Frank | 80 | Mother | — | Pennsylvania |
| 63 | James Righter | 58 | Head | Watchmaker | Pennsylvania |
| 64 | Ira H Jones THIS PERSON | 56 | Head | Machinist | Pennsylvania |
| 65 | Mary E Jones | 53 | Wife | — | Pennsylvania |
| 66 | Mary E Jones | 19 | daughter | Box Topper | Pennsylvania |
| 67 | John O Bell | 53 | Head | Cook | Washington |
| 68 | Charles Nelson | 34 | Partner | Dish Washer | New Jersey |
| 69 | Samuel Mccracken | 51 | Head | Civil Engineer | Pennsylvania |
| 70 | Margaret Mccracken | 45 | Wife | — | Pennsylvania |
| 71 | Charles Mccracken | 15 | son | — | Pennsylvania |
| 72 | Robert Mccracken | 13 | son | — | Pennsylvania |
| 73 | George Louden | 59 | Head | Salesman | Pennsylvania |
| 74 | Sarah S Louden | 59 | Wife | — | Pennsylvania |
| 75 | Doris Louden | 32 | daughter | — | Pennsylvania |
| 76 | Petra Connell | 27 | servant | — | Pennsylvania |
| 77 | William G Reed | 50 | Head | Merchant | Pennsylvania |
| 78 | Helen Reed | 48 | Wife | — | Pennsylvania |
| 79 | Theresa Reed | 14 | daughter | — | Pennsylvania |
| 80 | Elsa Reed | 13 | daughter | — | 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)