I believe this is your ancestors.
I have a considerable bit more if you would like to share, I would be interested.
steven.cavanaugh@sympatico.caDescendants of William J Cavanaugh
Generation No. 1
1. WILLIAM J1 CAVANAUGH was born 01 Mar 1854 in Dublin, Co Dublin, Ireland, and died 29 Jun 1924 in Wallingford, New Haven Co, Ct, USA. He married MARY JANE SPYERS Abt. 1878 in Meriden, New Haven Co, CT, USA. She was born 10 May 1860 in New Haven, CT, USA, and died 14 Jul 1930 in Wallingford, New Haven Co, Ct, USA.
Notes for WILLIAM J CAVANAUGH:
William J Kavanagh Sr in the U.S., Find A Grave Index, 1600s-Current
Name: William J Kavanagh Sr
Birth Date: 1 Mar 1854
Birth Place: Dublin, County Dublin, Ireland
Death Date: 29 Jun 1924
Death Place: Wallingford, New Haven County, Connecticut, USA
Cemetery: Holy Trinity Cemetery
Burial or Cremation Place: Wallingford, New Haven County, Connecticut, USA
Spouse: Mary Jane Kavanagh
Children:
John Joseph Kavanagh
George Kavanagh
James Kavanaugh
Mary Jane Kavanagh
Notes for MARY JANE SPYERS:
Also appears as Mary Jane Spires/Spiers
Mary Jane Kavanagh in the U.S., Find A Grave Index, 1600s-Current
Name: Mary Jane Kavanagh
[Mary Jane Spiers]
Birth Date: 10 May 1860
Birth Place: New Haven, New Haven County, Connecticut, USA
Death Date: 14 Jul 1930
Death Place: Wallingford, New Haven County, Connecticut, USA
Cemetery: Holy Trinity Cemetery
Burial or Cremation Place: Wallingford, New Haven County, Connecticut, USA
Spouse: William J Kavanagh
Kavanagh William J
Children:
John Joseph Kavanagh
George Kavanagh
James Kavanaugh
Mary Jane Kavanagh
Children of WILLIAM CAVANAUGH and MARY SPYERS are:
2. i. THOMAS F2 CAVANAUGH, b. May 1879, Meriden, New Haven Co, CT, USA; d. 20 Sep 1955, New Haven Co, CT, USA.
3. ii. WILLIAM J CAVANAUGH, b. 02 Dec 1880, Meriden, New Haven Co, CT, USA; d. 01 Mar 1963, Meriden, New Haven Co, CT, USA.
iii. MARY JANE CAVANAUGH, b. Aug 1881, Meriden, New Haven Co, CT, USA; d. 30 Aug 1952, Meriden, New Haven Co, CT, USA.
Notes for MARY JANE CAVANAUGH:
Mary Jane Kavanagh in the U.S., Find A Grave Index, 1600s-Current
Name: Mary Jane Kavanagh
[Mamie Kavanagh]
Birth Date: Aug 1879
Birth Place: Meriden, New Haven County, Connecticut, USA
Death Date: 30 Aug 1952
Death Place: Wallingford, New Haven County, Connecticut, USA
Cemetery: Holy Trinity Cemetery
Burial or Cremation Place: Wallingford, New Haven County, Connecticut, USA
Father: William J Kavanagh
Mother: Mary Jane Kavanagh
iv. MARGARET CAVANAUGH, b. Abt. 1882, Meriden, New Haven Co, CT, USA; d. Bef. 1980.
4. v. JOHN JOSEPH CAVANAUGH, b. 08 Feb 1882, Meriden, New Haven Co, CT, USA; d. 06 Jan 1959, Meriden, New Haven Co, CT, USA.
vi. JAMES CAVANAUGH, b. 20 Sep 1884, Meriden, New Haven Co, CT, USA; d. 04 Sep 1903, Wallingford, New Haven, Ct, USA.
Notes for JAMES CAVANAUGH:
Alternate birth date offered of Feb 28 1883
James Kavanaugh in the U.S., Find A Grave Index, 1600s-Current
Name: James Kavanaugh
Birth Date: 20 Sep 1884
Birth Place: Meriden, New Haven County, Connecticut, USA
Death Date: 4 Sep 1903
Death Place: Wallingford, New Haven County, Connecticut, USA
Cemetery: Holy Trinity Cemetery
Burial or Cremation Place: Wallingford, New Haven County, Connecticut, USA
Father: William J Kavanagh
Mother: Mary Jane Kavanagh
vii. MARGARET T CAVANAUGH, b. Jan 1886, Meriden, New Haven Co, CT, USA; d. 11 Apr 1905, Meriden, New Haven Co, CT, USA.
Notes for MARGARET T CAVANAUGH:
Burial: Sacred Heart Cemetery
Meriden, New Haven Co, Connecticut, USA
Plot: Section 3
viii. JAMES CAVANAUGH, b. Dec 1886, Wallingford, New Haven, Ct, USA; d. Bef. 1980.
5. ix. GEORGE H CAVANAUGH, b. 01 Sep 1887, Meriden, New Haven Co, CT, USA; d. 16 Oct 1956, Meriden, New Haven Co, CT, USA.
x. ELIZABETH M CAVANAUGH, b. 13 Jun 1891, Meriden, New Haven Co, CT, USA; d. 01 Apr 1966, New Haven, CT, USA; m. FRANK EDWARD THIEDE; b. 04 Sep 1888, Germany; d. 13 Dec 1974, New Haven, CT, USA.
xi. FRANK J CAVANAUGH, b. 13 Apr 1893, Meriden, New Haven Co, CT, USA; d. 26 Nov 1951, Meriden, New Haven Co, CT, USA.
Notes for FRANK J CAVANAUGH:
Connecticut Death Index, 1949-2001 about Frank Kavanaugh
Name: Frank Kavanaugh
Death Date: 26 Nov 1951
Death Place: Meriden, New Haven, Connecticut
Age: 59 Years
Birth Date: abt 1892
Marital Status: Married
State File #: 16747
Residence : Wallingford, New Haven, Connecticut
Gender: Male
Race: White