Carole, I am also a McMarlin descendant from PA. This is the info I have. Do you have anything new??
This is some of what I have on the McMarlin family.
..1 John McMarlin b;1729 ........2 William McMarlin b; 1753 Tyrone, County Down, Ireland d; 03-04-1844 +Martha b; 1775 d; 11-28-1835 ...................3 Betty Jane b; 1794 d;03-17-1884 PineTownship, PA ...................3 Margaret McMarlin b; 1795 d; 03-17-1884West Deer Township, Allegheny Co. Pa + John Dickey b; 1796 d; 03-08-1819 ...............................4 Mary Dickey b; 03-18-1819 ...............................4 William Dickey b; 03-08-1820 ...............................4 David Dickey b; 11-07-1821 ...............................4 Martha Dickey b; 03-02-1823 ...............................4 John Dickey b; 05-08-1825 d; 02-23-1826 ...............................4 Margaret Jane Dickey b; 07-08-1828 d; 09-08-1851 + Thomas Robinson ...............................4 Robert Black Dickey b; 01-25-1831 d; 05-19-1892 + Mary Dickson ..............................4 Sarah Jane Dickey b; 11-26-1833 d;04-04-1857 ...............................4 Sarah Jane Dickey b; 11-26-1833 d 04-04-1857 ...............................4 Margaret Ann Dickey b; 08-08-1835 + Allen Mahan ...................3 William David McMarlin b; 10-10-1798 d;10-29-1883 (Purchased 133 acres in Adams Twsp in 1822) +Magdalena Buckhart b; 07-02-1797 d; 06-24-1873 Pine Township, PA ...............................4 David McMarlin d; in infancy ...............................4 Jacob Buckhart McMarlin b; 07-14-1822 d; 04-15-1896 +Mary A. Couchenour b; 09-04-1822 d; 04-06-1908 *Note at bottom on Marys first husband ........................................5 William Penny McMarlin b; 12-18-1852 d; 12-24-1892 + Agnes Louisa Beers b; 01-31-1852 d; 06-06-1904 m; 09-01-1872 Madison Co. Westmoreland, PA ....................................................6 Laura Lucetta McMarlin b; 03-18-1873 d; 10-17-1955 + Charles Cochenour .............................................................7 Charles Cochenour .............................................................7 James Cochenour .............................................................7 Florence Cochenour .............................................................7 Agnes Couchenour .............................................................7 Alice Cochenour .............................................................7 Howard D. Cochenour b; 07-30-1905 Allegheny , PA .............................................................7 Irene Cochenour b; 10-03-1907 ....................................................6 Ida Mae McMarlin b; 04-06-1875 d; 06-30-1961 + Horace Westley Black b; 02-22-1865 d; 01-02-1918 .............................................................7 Richard Coulter Black b; b; 11-15-1893 d; 11-09-1967 + Elizabeth (Bessie) Stokes b; 05-21-1897 d; 09-1968 ........................................................................8 Ida Mae Black b; 04-25-1915 d; 09-25-1996 + ???? + Marcella Moon ........................................................................8 Audrey Elizabeth Black b; 01-25-1918 d; 07-19-1996 +John Cyrus Pringle b; 02-17-1912 d; 01-1974 ........................................................................8 Regina Black b; 04-21-1920 d; 05-1983 ........................................................................8 Rita June Black b; 06-10-1922 d; 10-29-1989 + Albert Joseph Kocak b; 02-23-1918 d; 12-25-1951 ........................................................................8 Richard Thomas Black b; 02-18-1925 d; 10-21-1989 + Lois Berrier ........................................................................8 Donald C. Black b; 09-12-1930 d; 2008 + Eileen Patricia Fink m; 07-02-1953 .............................................................7 Edith Wilhelmina Black b; 03-31-1892 d; 11-14-1952 +Guy Arthur Raymond b; 06-08-1884 d; 03-02-1941 m; 02-15-1907 ........................................................................8 Gladys Louise Raymond 1910-1950 ........................................................................8 Russell Arthur Raymond 1912-1954 ........................................................................8 Florence Kathern Raymond 1908- + Charles E. Grisham
....................................................6 Jacob b; 09-29-1877 + Lizzie Mortz ....................................................6 William Penny McMarlin b; 02-21-1880 d; 10-14-1955 + Margareta Skiles ................................................................7 George Ludwig McMarlin ....................................................6 Mary McMarlin b; 09-29-1882 d; 10-13-1883 ....................................................6 Floyd Charles McMarlin b; 10-27-1883 d; 04-23-1939 ....................................................6 Oscar McMarlin b; 03-15-1886 d. 10-14-1955 ........................................5 Mary Elizabeth McMarlin b;1856 d; 1915 + Charles McKee McCully ........................................5 Jane McMarlin b; 1858 d; 1896 ........................................5 John McMarlin b; 1862 d; 1896 ...............................4 William Downie McMarlin b; 08-23-1824 d; 1891 + Harriet Haywood ...............................4 John McMarlin b; 06-16-1826 ...............................4 Mary McMarlin b; 06-16-1830 ...............................4 David McMarlin b; 10-07-1832 ...............................4 Martha J. McMarlin b; 10-24-1834 ...............................4 James Armstrong McMarlin b; 03-17-1837 d; 01-11-1913 + Emaline Duncan .........................................5 Grant McMarlin .........................................5 John G.McMarlin .........................................5 William James McMarlin .........................................5 Harry S. McMarlin .........................................5 Jacob S. McMarlin .........................................5 Bertha P. McMarlin
........3 Ester McMarlin b:03-21-1779 Ireland d; 12-31-1869 + samuel Arbuthnot m; 1796 ........3 Sarah McMarlin b; 1802 + Thamas Hayes ........3 Martha Mc Marlin b; 1804 + Joseph Martin ........3 David McMarlin b; 1806 d; 12-10-1846 + Elizabeth Denny ........3 John McMarlin b. 1807 d; 05-04-1882 + Elizabeth Creighton ........3 Isabelle McMarlin b; 1811 d; 1889 + James Sloan
Mary A cochenour had a husband before Jacob Buckhart McMarlin. His name was Alda Sallinger. They had 1 son. Frank Sallinger b; 06-15-1848 d; 12-09-1928 in Nebraska.
I do have the descendants for Frank Sallanger.
I also have some very old pics of some of the McMarlin clan and of the Sallinger family. I can mail you a copy of these~I just need your postal address. **A note on Laura Lucetta McMarlin and her husband Charles Cochenour. Apparently they were second cousins.