MC
Mary Cunningham — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Mary Cunningham across the 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 9-person household.
Age 10
b. ~1920
Female
Daughter
Born: Penna
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Cunningham |
| Given Name | Mary Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1920 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Cunningham | Daughter | — | 10 | ~1920 |
| Anna Cunningham | Daughter | — | 2 | ~1928 |
| Joseph Cunningham | Head | — | 33 | ~1897 |
| Andrew Cunningham | Son | — | 7 | ~1923 |
| Joseph Cunningham | Son | — | 1 | ~1929 |
| Edward Cunningham | Son | — | 4 | ~1926 |
| Jackie Cunningham | Son | — | 6 | ~1924 |
| John Cunningham | Son | — | 8 | ~1922 |
| Catherine Cunningham | Spouse | — | 35 | ~1895 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 10
Philadelphia, Pennsylvania · implied b. ~1920 — 9 household members
| Surname | Cunningham |
| Given Name | Mary Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Daughter, age 21
Philadelphia-County, Pennsylvania · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cunningham |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Occupation | Cook |
| Industry | Bank Cafeteria |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| Highest Grade | H-2 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
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 Mary Cunningham across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cunningham
Daughter · 1930 · age 10 · b. ~1920 · Pennsylvania
★ You are viewing this record
Sibling
Edward Cunningham
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Cunningham
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Cunningham
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jackie Cunningham
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Cunningham
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Cunningham
Sibling · 1930 · age 7
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
1930 US Federal Census — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2128:1102)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Joseph Cunningham | 30 | Head | Marble Setter | Ireland |
| 52 | Annie Cunningham | 26 | Wife | — | Ireland |
| 53 | Katherine Cunningham | 2 | Daughter | — | Penna |
| 54 | Michael Cunningham | 27 | Brother | Marble Setter | Ireland |
| 55 | Michael Cunningham | 24 | Brother | Plumber | Ireland |
| 56 | Joseph Cunningham | 22 | Brother | Operator | Ireland |
| 57 | Joseph Cunningham | 33 | Head | — | Ireland |
| 58 | Catherine Cunningham | 35 | Wife | — | Ireland |
| 59 | Mary Ellen Cunningham THIS PERSON | 10 | Daughter | — | Penna |
| 60 | John Cunningham | 8 | Son | — | Penna |
| 61 | Andrew Cunningham | 7 | Son | — | Penna |
| 62 | Jackie Cunningham | 6 | Son | — | Penna |
| 63 | Edward Cunningham | 4 | Son | — | Penna |
| 64 | Anna Mae Cunningham | 2 | Daughter | — | Penna |
| 65 | Joseph Cunningham | 1 | Son | — | Penna |
| 66 | Annie Healey | 51 | Head | — | Penna |
| 67 | Roger Healey | 25 | Son | Chauffeur | Penna |
| 68 | William Healey | 22 | Son | Chauffeur | Penna |
| 69 | Catherine Healey | 18 | Daughter | — | Penna |
| 70 | Dorothy Healey | 12 | Daughter | Operator | Penna |
| 71 | Josephine Northern | 44 | Head | — | Penna |
| 72 | Josephine Northern | 5 | Daughter | — | Penna |
| 73 | Margaret Mccaughan | 47 | Sister | Clerk | Penna |
| 74 | Mary Delmore | 50 | Head | — | N. Ireland |
| 75 | Mary Delmore | 28 | Daughter | — | Penna |
| 76 | John Delmore | 26 | Son | Clerk | Penna |
| 77 | John Lane | 42 | Head | Fireman | Penna |
| 78 | Celia Lane | 37 | Wife | — | Penna |
| 79 | John Lane | 16 | Son | Clerk | Penna |
| 80 | Mary Lane | 14 | Daughter | — | Penna |
| 81 | Joseph Lane | 13 | Son | — | Penna |
| 82 | Annie Lane | 11 | Daughter | — | Penna |
| 83 | Aileen Lane | 8 | Daughter | — | Penna |
| 84 | James Lane | 7 | Son | — | Penna |
| 85 | Elizabeth Lane | 5 | Daughter | — | Penna |
| 86 | Thomas Lane | 2 | Son | — | Penna |
| 87 | Francis Lane | 0 | Son | — | Penna |
| 88 | Arthur O'Kane | 40 | Brother | — | Ireland |
| 89 | Celia M. Fullman | 51 | Head | — | Penna |
| 90 | Gertrude Fullman | 21 | Daughter | Stenographer | Penna |
| 91 | Mary M. Tracy | 60 | Head | Saleslady | Penna |
| 92 | Elizabeth Tracy | 57 | Sister | — | Penna |
| 93 | Julia M. Morris | 48 | Boarder | Clerk | Penna |
| 94 | Thomas Reagan | 32 | Head | Undertaker | Penna |
| 95 | Celia Reagan | 30 | Wife | — | Penna |
| 96 | Edward Reagan | 14 | Son | — | U.S. |
| 97 | Francis Reagan | 13 | Son | — | U.S. |
| 98 | John Reagan | 10 | Son | — | U.S. |
| 99 | Margaret Reagan | 8 | Daughter | — | U.S. |
| 100 | Katherine Reagan | 6 | Daughter | — | U.S. |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)