I looked again at the birth record for Patrick and Nora's daughter Annie, and it was 14 December 1901, not the 15th.
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Arriving New York August 4, 1929, from Cobh (Queenstown) July 28, 1929, on the SS Adriatic
Anna C Cotter, 27, single, born December 14, 1901, Philadelphia
Bette R Cotter, 23, single, born September 24, 1905, Philadelphia
both returning to home: 41 West 72nd Street, New York
[US citizens didn't have to list a contact person in the country they were leaving.]
https://www.familysearch.org/ark:/61903/1:1:24XR-J75------------------
New York, NY index to marriage licenses
18 June 1941, Manhattan, New York City
certificate: 10552
Ann C Cotter, 39, born December 1901, Ardmore, Pennsylvania, a nurse, living at 17 West 91st St, father: Patrick J Cotter, mother: Nora Cotter
current marriage number: 1
and
Carlton Joseph Chartier, 30, born 13 April 1911, Springfield, Massachusetts, an electrician, living at 530 State St, Brooklyn. father: Able Chartier, mother: Malvina Chartier
current marriage number: 0
witnesses: George A Perez, Elizabeth C Wilder
[that is her sister]
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Massachusetts Death Index
Ann C Chartier
died 16 November 1988, Charlemont
born 14 December 1901, Pennsylvania
certificate: 59342
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last residence on her Social Security Death Index was Mount Vernon, Westchester County, NY
[why was her check being sent there if she lived, and died, in Massachusetts?]
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Ann at findagrave
https://www.findagrave.com/memorial/198892428/ann-chartierAnn's obituary: Brattleboro (Vermont) Reformer, 11 November 1988
ancestry.com's index says parents: Patrick Cotter and Mora Kelacky Cotter. siblings: Elizabeth Wilder
I don't have a subscription to access the obituary, but I think it would have mentioned children if there were any.
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her husband:
Massachusetts Death Index
Carlton J Chartier
27 September 1995, Charlemont
born 13 April 1911, Massachusetts
Carlton's obit: Brattleboro (Vermont) Reformer, 28 September 1995