Hi again,
I found a lot of crodens/crodins/crowdens in Oakham and nowhere else much apart from Ridlington and Preston as you mentioned, the Oakham lot had one possible Thomas. I don't have all of the Rutland records however - the LRFHS have completed 2 out of 3 sets of them - so my search wasn't comprehensive. Anyway I will copy everything I have below. There is a limit to how much you can put in one post, so this will continue in another one
Baptisms:
7, SEP, 1634, ANNE, CRODEN, D/O, RICHARD, , OAKHAM
18, NOV, 1580, ANNES, CRODEN, D/O, WILLIAM, , OAKHAM
30, AUG, 1640, BRIDGETT, CRODEN, D/O, RICHARD / CATHERINE, , OAKHAM
9, MAY, 1605, DORATIE, CRODEN, D/O, ROGER, , OAKHAM
24, NOV, 1705, DOROTHY, CRODEN, D/O, AMOS, POOR, OAKHAM
13, NOV, 1603, MARY, CRODEN, D/O, HENRY, , OAKHAM
12, MAY, 1633, MARY, CRODEN, D/O, RICHARD, , OAKHAM
28, APR, 1647, RICHARD , CRODEN, S/O, RICHARD / KATHERINE, , OAKHAM
17, MAR, 1607/8, SARAH, CRODEN, D/O, ROGER, , OAKHAM
22, OCT, 1665, THOMAS, CRODEN, S/O, AMOS / ISABEL, , OAKHAM
1, JUL, 1606, WILLIAM, CRODEN, S/O, HENRY, , OAKHAM
17, MAR, 1722/3, ALICE, CRODIN, D/O, BARTIN/ELIZABETH, , OAKHAM
21, OCT, 1661, AMOS, CRODIN, S/O, AMOS / DOROTHY, , OAKHAM
1, MAY, 1689, AMOS, CRODIN, S/O, AMOS/SARAH, , OAKHAM
9, MAR, 1683/4, ANN , CRODIN, D/O, THOMAS / ELIZABETH, , OAKHAM
2, JUN, 1644, ANNE, CRODIN, D/O, JOHN / ANNE, , OAKHAM
14, APR, 1717, ANNE, CRODIN, D/O, THOMAS/ANNE, , OAKHAM
25, JUL, 1658, ANNIS, CRODIN, D/O, AMOS / ANNE, , OAKHAM
3, FEB, 1694/5, BARTIN, CRODIN, S/O, THOMAS / ELIZ, , OAKHAM
25, MAR, 1766, CATHERINE, CRODIN, D/O, FRANCIS/ROSE, , OAKHAM
19, SEP, 1759, CHRISTIAN, CRODIN, D/O, FRANCIS/ROSE, , OAKHAM
25, MAY, 1701, DANIEL, CRODIN, S/O, AMOS, , OAKHAM
9, MAY, 1697, DOROTHIE, CRODIN, D/O, THOMAS, , OAKHAM
27, NOV, 1681, DOROTHY, CRODIN, D/O, AMOS / ISABELL, , OAKHAM
30, MAY, 1653, ELIZABETH, CRODIN, D/O, JOHN / MARIE, , OAKHAM
2, OCT, 1681, ELIZABETH, CRODIN, D/O, THOMAS / ELIZABETH, , OAKHAM
30, DEC, 1694, ELIZABETH, CRODIN, D/O, AMOS / SARAH, , OAKHAM
2, APR, 1716, ELIZABETH, CRODIN, D/O, THOMAS/ANNE, , OAKHAM
28, MAR, 1725, ELIZABETH, CRODIN, D/O, JOHN/ELIZABETH, , OAKHAM
3, JUN, 1754, ELIZABETH, CRODIN, D/O, THOMAS/CATHERINE, , OAKHAM
30, JAN, 1669/70, ELIZABETH, CRODIN, D/O, AMOS / ISABELLA, , OAKHAM
31, JAN, 1685/6, ELIZABETH, CRODIN, D/O, JOHN / ELIZABETH, , OAKHAM
7, MAR, 1696/7, ELIZABETH, CRODIN, D/O, AMOS , , OAKHAM
4, MAR, 1721/2, ELIZABETH, CRODIN, D/O, JOHN/ELIZABETH, , OAKHAM
17, MAR, 1722/3, ELIZABETH, CRODIN, D/O, BARTIN/ELIZABETH, , OAKHAM
29, DEC, 1768, FRANCIS, CRODIN, S/O, FRANCIS/ROSE, , OAKHAM
17, MAR, 1659/60, FRAUNCIS, CRODIN, D/O, AMOS / FRAUNCIS, , OAKHAM
21, NOV, 1757, GEORGE, CRODIN, S/O, FRANCIS/ROSE, , OAKHAM
13, SEP, 1762, GEORGE, CRODIN, S/O, FRANCIS/ROSE, , OAKHAM
14, SEP, 1777, JAMES, CRODIN, S/O, FRANCIS/ROSE, , OAKHAM
25, APR, 1601, JANE, CRODIN, D/O, HENRY, , OAKHAM
30, JUL, 1655, JOHN, CRODIN, S/O, JOHN / MARIE, , OAKHAM
9, NOV, 1690, JOHN, CRODIN, S/O, THOMAS/ELIZABETH, , OAKHAM
19, OCT, 1692, JOHN, CRODIN, S/O, JOHN / ELIZABETH, , OAKHAM
5, MAY, 1695, JOHN, CRODIN, S/O, JOHN / ELIZABETH, , OAKHAM
18, MAY, 1718, JOHN, CRODIN, S/O, THOMAS/ANNE, , OAKHAM
7, JUL, 1723, JOHN, CRODIN, S/O, JOHN/ELIZABETH, , OAKHAM
23, MAR, 1683/4, JOHN, CRODIN, S/O, JOHN / ELIZABETH, , OAKHAM
29, JAN, 1687/8, JOHN, CRODIN, S/O, JOHN / ELIZABETH, , OAKHAM
12, MAR, 1642/3, JUDITH, CRODIN, D/O, RICHARD / CATHERINE, , OAKHAM
6, DEC, 1697, MARY, CRODIN, D/O, JOHN/ELIZABETH, , OAKHAM
4, SEP, 1726, MARY, CRODIN, D/O, BARTIN/HANNAH, , OAKHAM
8, OCT, 1727, MARY, CRODIN, D/O, THOMAS/ANNE, , OAKHAM
15, MAY, 1749, MARY, CRODIN, D/O, THOMAS/CATHERINE, , OAKHAM
26, DEC, 1755, MARY, CRODIN, D/O, THOMAS/CATHERINE, , OAKHAM
9, AUG, 1764, MARY, CRODIN, D/O, FRANCIS/ROSE, , OAKHAM
5, MAR, 1675/6, MARY, CRODIN, D/O, AMOS / ISABEL, , OAKHAM
27, FEB, 1682/3, MARY, CRODIN, D/O, JOHN / ELIZABETH, , OAKHAM
16, FEB, 1691/2, MARY, CRODIN, D/O, AMOS / SARAH, , OAKHAM
11, JAN, 1663/4, RICHARD , CRODIN, S/O, AMOS / DOROTHY, , OAKHAM
14, FEB, 1601/2, ROGER, CRODIN, S/O, ROGER, , OAKHAM
13, JUN, 1771, ROSE, CRODIN, D/O, FRANCIS/ROSE, , OAKHAM
12, NOV, 1686, SARAH, CRODIN, D/O, AMOS / SARAH, , OAKHAM
6, NOV, 1757, SARAH, CRODIN, D/O, THOMAS/CATHERINE, , OAKHAM
5, SEP, 1641, THOMAS, CRODIN, S/O, JOHN / ANNE, , OAKHAM
29, SEP, 1656, THOMAS, CRODIN, S/O, AMOS / AN, , OAKHAM
21, OCT, 1688, THOMAS, CRODIN, S/O, THOMAS / ELIZABETH, , OAKHAM
27, NOV, 1720, THOMAS, CRODIN, S/O, THOMAS/ANNE, , OAKHAM
9, MAY, 1725, THOMAS, CRODIN, S/O, THOMAS/ANNE, , OAKHAM
18, MAY, 1752, THOMAS, CRODIN, S/O, THOMAS/CATHERINE, , OAKHAM
2, FEB, 1773, THOMAS, CRODIN, S/O, FRANCIS/ROSE, , OAKHAM
7, JAN, 1727/8, THOMAS, CRODIN, S/O, BARTIN/HANNAH, , OAKHAM
21, DEC, 1690, WILLIAM, CRODIN, S/O, JOHN, , OAKHAM
25, NOV, 1722, WILLIAM, CRODIN, S/O, THOMAS/MARY, , OAKHAM
8, JUL, 1767, WILLIAM, CRODIN, S/O, FRANCIS/ROSE, , OAKHAM
2, FEB, 1692/3, WILLIAM, CRODIN, S/O, JONATHAN / SARAH, , OAKHAM
?, JUL, 1567, ANN, CRODIN?, , , , BRAUNSTON
16, NOV, 1735, ANN, CRODING, D/O, THO/ANN, , OAKHAM
5, DEC, 1736, ANN, CRODING, D/O, JOHN/ELIS, , OAKHAM
13, JUN, 1731, BARTIN, CRODING, S/O, BARTIN/HANNAH, , OAKHAM
2, SEP, 1733, ELIZ, CRODING, D/O, THO/ANN, , OAKHAM
2, MAY, 1731, FRANCIS, CRODING, D/O, THO/ANN, , OAKHAM