IA
Ida Allen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ionia-County, Michigan
Our Model Tree links this Ida Allen across the 1930 and 1940 US Censuses in Ionia-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1912), then head of a 7-person household.
Age 28
b. ~1912
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ionia-County, Michigan |
| Surname | Allen |
| Given Name | Ida |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Ann Arbor |
| 1935 Residence (County) | Washtenaw |
| Additional Details | |
| Occupation | Clerk |
| Industry | Grocery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 700 |
| Highest Grade | Hs 4 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Clerk |
| Township / Ward | Ionia City |
| Est. Birth Year | ~1912 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ida | Age | Birth yr |
|---|---|---|---|---|
| Howard Allen | Son | — | 16 | ~1924 |
| Jean Allen | Daughter | — | 12 | ~1928 |
| Ida Allen | Daughter | — | 28 | ~1912 |
| Lyle Allen | Son | — | 19 | ~1921 |
| Richard Allen | Son | — | 14 | ~1926 |
| Mabel Allen | Spouse | — | 49 | ~1891 |
| Wm Allen | Head | — | 56 | ~1884 |
Census Appearances
1930
Ionia, Michigan
Daughter, age 18
Ionia, Michigan · implied b. ~1912 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Ila |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Waitress |
| Industry | Helper private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Ionia-County, Michigan
Daughter, age 28
Ionia-County, Michigan · implied b. ~1912 — 7 household members
| Surname | Allen |
| Given Name | Ida |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Ann Arbor |
| 1935 Residence (County) | Washtenaw |
| Occupation | Clerk |
| Industry | Grocery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 700 |
| Highest Grade | Hs 4 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Ida Allen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ida Allen
Daughter · 1940 · age 28 · b. ~1912 · Michigan
★ You are viewing this record
Sibling
Richard Allen
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Allen
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lyle Allen
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Allen
Sibling · 1940 · age 16
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 — Ionia-County, Michigan
Open full size
1940 US Federal Census — Ionia-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01764-00382)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sharon Middlesworth | 55 | Head | — | Michigan |
| 2 | Frank Mclean | 46 | Head | Carpenter | Illinois |
| 3 | Elizabeth Mclean | 35 | Wife | — | Indiana |
| 4 | Frank Leland | 68 | Lodger | — | Michigan |
| 5 | Ada Thwaites | 62 | Head | — | Michigan |
| 6 | Fred Thwaites | 30 | Son | Clerk | Michigan |
| 7 | Ida Hall | 35 | Daughter | House Work | Michigan |
| 8 | Daniel Feehan | 58 | Head | Factory Worker | Michigan |
| 9 | Mary Feehan | 58 | Wife | — | Michigan |
| 10 | Robert Alspaugh | 53 | Head | Supt. | Michigan |
| 11 | Mabel Alspaugh | 49 | Wife | Cook (Living) | Michigan |
| 12 | Jeanette Alspaugh | 25 | Daughter | Office Clerk | Michigan |
| 13 | Helen Sherman | 44 | Head | Recreational | Michigan |
| 14 | Helen Sherman | 39 | Wife | Recreational | Michigan |
| 15 | Arthur Rather | 53 | Head | Superintendent | Michigan |
| 16 | Grace Rather | 52 | Wife | Music Teacher | West Virginia |
| 17 | Frank Robinson | 46 | Head | Telegrapher | Michigan |
| 18 | Ethel Robinson | 40 | Wife | — | Michigan |
| 19 | Lois Robinson | 23 | Daughter | Teacher | Michigan |
| 20 | Wm P Allen | 56 | Head | Truck Driver | Michigan |
| 21 | Mabel Allen | 49 | Wife | — | Michigan |
| 22 | Ida Allen THIS PERSON | 28 | Daughter | Clerk | Michigan |
| 23 | Lyle B Allen | 19 | Son | — | Michigan |
| 24 | Howard H Allen | 16 | Son | — | Michigan |
| 25 | Richard Allen | 14 | Son | — | Michigan |
| 26 | Jean Allen | 12 | Daughter | — | Michigan |
| 27 | James Vincent | 31 | Head | Gas Station | Michigan |
| 28 | Grace Vincent | 26 | Wife | — | Michigan |
| 29 | Elaine Vincent | 3 | Daughter | — | Michigan |
| 30 | Alvah Williams | 62 | Head | Janitor | Michigan |
| 31 | Ida Williams | 54 | Wife | — | Michigan |
| 32 | Alice Williams | 23 | Daughter | Typing | Michigan |
| 33 | Carl Rev Knutson | 34 | Head | Minister | S. Dakota |
| 34 | Marion Knutson | 28 | Wife | — | Minnesota |
| 35 | Theodore Knutson | 5 | Son | — | S. Dakota |
| 36 | Elizabeth Knutson | 3 | Daughter | — | S. Dakota |
| 37 | Albert Knutson | 1 | Son | — | Michigan |
| 38 | Pearl Watt | 55 | Head | — | Michigan |
| 39 | Flint Watt | 24 | Son | Library | Michigan |
| 40 | Earlene Bingell | 22 | Lodger | Teacher | Oregon |
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)