JM
James Mcgrath — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this James Mcgrath across the 1920, 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed), with identified parents Nellie & Thomas — first a son (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | McGrath |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland Hts |
| 1935 Residence (County) | Cuyahoga |
| Additional Details | |
| Occupation | Salesman |
| Industry | Drugs |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 278 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Salesman |
| Township / Ward | Cleveland Hts |
| 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 James | Age | Birth yr |
|---|---|---|---|---|
| Francis Mcgrath | Daughter | — | 39 | ~1901 |
| Helen Mcgrath | Daughter | — | 42 | ~1898 |
| Nellie Mcgrath | Head | — | 76 | ~1864 |
| James Mcgrath | Son | — | 33 | ~1907 |
Census Appearances
1920
Cuyahoga, Ohio
Son, age 13
Cuyahoga, Ohio · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGrath |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Cuyahoga, Ohio
Son, age 23
Cuyahoga, Ohio · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGrath |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Salesman |
| Industry | Grocery Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Cuyahoga-County, Ohio
Son, age 33
Cuyahoga-County, Ohio · implied b. ~1907 — 4 household members
| Surname | McGrath |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland Hts |
| 1935 Residence (County) | Cuyahoga |
| Occupation | Salesman |
| Industry | Drugs |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 278 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 James Mcgrath across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Nellie Mcgrath (~0.92 confidence) and father Thomas Mcgrath (~0.92 confidence) and mother Sarah Mcgrath (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Nellie Mcgrath
b. ~1864
Source mother
● Household
· direct · ~0.92
Father
Thomas Mcgrath
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Sarah Mcgrath
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Mcgrath
Son · 1940 · age 33 · b. ~1907 · Ohio
★ You are viewing this record
Sibling
Francis Mcgrath
Sibling · 1940 · age 39
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Mcgrath
Sibling · 1940 · age 42
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 — Cuyahoga-County, Ohio
Open full size
1940 US Federal Census — Cuyahoga-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03050-00382)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jo Dell Rundquist | 12 | daughter | — | Massachusetts |
| 2 | Don Coomer | 41 | Head | Seller | Ohio |
| 3 | Hannah Prun | 75 | Head | — | Connecticut |
| 4 | Dorothy H Prun | 44 | daughter | Secretary | New Jersey |
| 5 | Alvin Swanson | 49 | Head | Manager | Illinois |
| 6 | Ella Swanson | 41 | wife | — | Penna |
| 7 | Alvin Swanson | 14 | son | — | Ohio |
| 8 | Nancy Swanson | 11 | daughter | — | Ohio |
| 9 | David Swanson | 4 | son | — | Ohio |
| 10 | Charlotte Swanson | 0 | daughter | — | Ohio |
| 11 | Joseph P Deacon | 55 | Head | Salesman | New Jersey |
| 12 | Marie E Deacon | 55 | wife | — | Penna |
| 13 | Edna Deacon | 24 | daughter | — | Penna |
| 14 | Katherine Deacon | 20 | daughter | — | Penna |
| 15 | William Deacon | 15 | son | — | Penna |
| 16 | Walter Deacon | 4 | grandson | — | Ohio |
| 17 | Son Walter Sr | None | M | Cosmetics | — |
| 18 | John C Maloney | 45 | Head | Asst. Purchasing | Ohio |
| 19 | Eunice Maloney | 37 | wife | — | Ohio |
| 20 | John Jr Maloney | 11 | son | — | Ohio |
| 21 | Thomas Maloney | 6 | son | — | Ohio |
| 22 | Wm S Berry | 74 | Head | — | New York |
| 23 | Myrtle S Berry | 69 | wife | — | Penna |
| 24 | Wm J Grant | 64 | Head | Engineer | Ohio |
| 25 | Minnie Grant | 64 | wife | — | Ohio |
| 26 | Adolph Pappin | 45 | roomer | Upholsterer | Vienna |
| 27 | Caroline Pappin | 36 | roomer wife | Domestic | Austria |
| 28 | A L Ormiston | 54 | Head | Accountant | Canada |
| 29 | Blanch Ormiston | 46 | wife | — | Canada |
| 30 | Raymond Young | 45 | Head | District Sales Manager | Minnesota |
| 31 | Almeda Young | 40 | wife | — | Ohio |
| 32 | Ray H Young | 19 | son | Mechanic | Florida |
| 33 | Nellie S Mcgrath | 76 | Head | — | Ohio |
| 34 | Helen Mcgrath | 42 | daughter | Teacher | Ohio |
| 35 | Francis Mcgrath | 39 | daughter | Teacher | Ohio |
| 36 | James Mcgrath THIS PERSON | 33 | son | Salesman | Ohio |
| 37 | Albert Eberlee | 68 | Head | Decorator | Ohio |
| 38 | Annetta Eberlee | 63 | wife | — | New Jersey |
| 39 | Eleanor Eberlee | 23 | daughter | — | Ohio |
| 40 | Anton Taubert | 47 | Head | Clerical | Ohio |
Pedigree Summary
James + 2 siblings
Gen 1 · 3 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)