I have very little about Stephen and Elizabeth. Some of us (desc of William McClay of Scotland) have pieced together what little we have from family records with almost no official documentation. I have Stephen but did not know wife's maiden name. For their childern I have: Children of STEPHEN MCCLAY and ELIZABETH UNKNOWN are:
i. ELLEN E4 MCCLAY, b. Apr 23, 1842, Vermont; d. Dec 12, 1842, Vermont.
ii. ALBERT L MCCLAY, b. Sep 08, 1843, Vermont.
iii. ELLA L MCCLAY, b. Mar 31, 1845, Vermont.
Notes for ELLA L MCCLAY:
Probably the one shown by John Kelly as Ellen E born May 1842 died Dec 1842
iv. HENRY P MCCLAY, b. Apr 18, 1846, Vermont.
v. ROSINA M MCCLAY, b. Aug 23, 1848, Woodstock, Windsor Co. Vermont; m. SLOCUM.
Notes for ROSINA (or Rozina) M MCCLAY:
Lived with her brother Ernest A in 1920 and 1930 census Woodstock
vi. AUGUSTA E MCCLAY, b. Mar 30, 1850, Vermont.
vii. HERBERT W MCCLAY, b. Jan 06, 1852, Woodstock, Windsor Co. Vermont; d. Jan 27, 1852, Woodstock, Windsor Co. Vermont.
viii. CHARLES W MCCLAY, b. Apr 15, 1853.
Notes for CHARLES W MCCLAY:
This name could be Carlie or Charlie (Female) as per 1860 and 1870 census.
Or could be the C. W. McClay age 27, a farmer living alone at Bridgewater, Vt. (just west of Woodstock) in the 1880 census.
ix. GEORGE E MCCLAY, b. Apr 10, 1855, Vermont.
x. MARY A MCCLAY, b. May 03, 1857, Woodstock, Windsor Co. Vermont.
Notes for MARY A MCCLAY:
Date of birth from LDS fiche #8429. In 1880 Census she was still with her parents.
xi. EDGAR F MCCLAY, b. Sep 04, 1859, Woodstock, Windsor Co. Vermont; d. Sep 25, 1883, Woodstock, Windsor Co. Vermont.
Notes for EDGAR F MCCLAY:
Day and month of birth from LDS fiche #829. Child's first name not listed, but was male, father S.P. and Edgar was born on matching date in 1859. In 1880 Census he is living with parents and occupation is Book Agent.
10. xii. ERNEST A MCCLAY, b. Feb 22, 1863; d. Sep 17, 1933.
And I have two children for Ernest - Mary Ethel and Edgar Forrest McClay.
How about I send you what I have and then you can send me what you have on the McClays. I didn't know any of them were in Greene Co, Illinois. And I had an Elizabeth Thomas married to Stephen's uncle William Jr who had also married a Eliza Langworthy. Confusing.