Hello Diane,
the Lohne church register covered only till 1811:
Herman Henrich Meyerhusen/Meyrose, born about 1771(no place), +28.Dec.1843(72), no parents
married 27.Sep.1792 Maria Elisabeth Pölking
married 13.Jan.1801 Maria Vienhage
Berndt Meyrose, ex Damme, parents: Henrich Meyrose - Angelina Roske
married 12.May.1816 Maria Agnes Böckmann from Steinfeld
Helena/Magdalena Meyrose, born 16.Nov.1799, +20.Jan.1872(71) in Steinfeld
parents: Herman Henrich Rosemeyer - M.E. Pölking
married 20.Febr.1819 Johann Büscherhoff
Henrich Anton Meyrose, born 12.Jan.1795, parents the same
married 09.Jan.1822 Gertrud Krogmann
Johann Henrich Meyrose, born 25.Jan.1793, +01.Sep.1813(21) in Steinfeld
parents the same
married 25.Febr.1813 in Steinfeld Maria Elisabeth Burhorst
Maria Gertrud Meyrose, born 22.Aug.1797, +25.Dec.1869(72.4.3)
parents the same
married 14.Apr.1818 Johan Heinrich Zerhusen
I assume the lives on the Pölking farm in Südlohne.
Here a description and History of "Oldenburger Münsterland" particularly Südlohne by Pölking Houston,TX:
http://math.rice.edu/~polking/genealogy/webcards/ap_mw.htm
This copy of the "Lohner Familien" shows the next generation and your Katharina:
Anton Mairose and Margaretha Gertrud Krogmann, by Pölking
children: 1824 Mar. Anna Franziska, married 1849 to Widower Joh.Bern.Kokenge
1832 Elis.
1835 Klemens
1838 Josefine
1844 Helene
1846 Katherine
I hope this help.
Werner