They are descendents of William Churchill of the Manhattan branch and can be located in the publication Churchill Family in America, page 586 family reference # 55. It is unlikely either sister was born in England. Their dates of births and husbands names match.
Descendants of Stephen W Churchill
Generation No. 1
1.STEPHEN W5 CHURCHILL(ROBERT4, ROBERT3, EDWARD2, WILLIAM1) was born 8 Jun 1791 in Dutchess Co., N.Y..He married MARGARET DATES 9 Dec 1812 in Poughkeepsie, N.Y..
Notes for STEPHEN W CHURCHILL:
They lived near Poughkeepsie, N.Y. He was a farmer. After the death
of his wifehe lived with one of his children, Zaccheus, at Harbor
Creek, Penn. for some time until his death
Children of STEPHEN CHURCHILL and MARGARET DATES are:
i. ELIZABETH6 CHURCHILL, b. 10 Aug 1813, Poughkeepsie, N.Y.; m. EBENEZER WORDEN, 5 Oct 1831, Manchester, N.Y..
Notes for ELIZABETH CHURCHILL:
They lived in Poughkeepsie, he was a shoemaker.
ii. CHARLOTTE CHURCHILL, b. 8 Feb 1815, Poughkeepsie, N.Y.; m. GEORGE WHITMAN WHEELER, 29 Jan 1833.
Notes for CHARLOTTE CHURCHILL:
They lived in Duchess Co., N.Y.
iii. GEORGE R CHURCHILL, b. 5 Sep 1817, Poughkeepsie, N.Y.; m. ELIZA ?.
Notes for GEORGE R CHURCHILL:
They lived in 1889 in Arlington, N.Y.
iv. DORINDA CHURCHILL, b. 20 Oct 1819, Manchester, N.Y.; d. 11 Mar 1896; m. JOSEPH B STEVENS, 4 Jan 1849, Manchester, N.Y..
Notes for DORINDA CHURCHILL:
They lived in New York City, Erie Co., Penn., and Dekalb Co., Ill.
v. SARAH CHURCHILL, b. 20 Nov 1821, Poughkeepsie, N.Y.; m. THOMAS H FOWLER.
Notes for SARAH CHURCHILL:
He was a schoolteacher in early life. and a farmer.
vi. ZACCHEUS NEWCOMB CHURCHILL, b. 23 Jan 1824, Poughkeepsie, N.Y.; m. SARAH JANE BEARDSLEY, 10 Sep 1844.
Notes for ZACCHEUS NEWCOMB CHURCHILL:
He moved to Harbor Creek, Penn. and settled there and later moved to
Erie, Penn. He served in The Civil War of 1861/65 in the Navy, under
Capt. John Bumont of the gunboat, " Mackinaw ".
vii. CORNELIA CHURCHILL, b. 22 Mar 1826, Poughkeepsie, N.Y.; m. BARNARD LEWIS, New York City..
Notes for CORNELIA CHURCHILL:
They lived in New York City, Rochester and Poughkeepsie, N.Y.
viii. CATHERINE CHURCHILL, b. 23 Oct 1828, Poughkeepsie, N.Y.; m. ALLEN MCNAMEE.
Notes for CATHERINE CHURCHILL:
They lived in Bellville, Kan. NFR.
ix. MARGARET CHURCHILL, b. 5 Feb 1832, Poughkeepsie, N.Y.; d. 3 Feb 1835.
x. JOHN PETER CHURCHILL, b. 23 Nov 1836, Poughkeepsie, N.Y.; d. 4 Mar 1838.